Labcorp test code for methylmalonic acid

LabCorp appointments should be scheduled through an individual lab testing site, according to LabCorp.com. Same-day appointments can be made with at least two hours notice, and wal...

The concentration of total homocysteine (tHcy) in serum and plasma is elevated in both folate and cobalamin deficiencies, whereas methylmalonic acid (MMA) in serum, plasma, or urine is a specific marker of cobalamin function. The combined measurement of both metabolites is useful for the diagnosis and follow-up of these deficiency states. Quantity not sufficient for analysis; improper labeling; tubes with boric acid or tartaric acid (e.g., BD gray-top C&S tube); Labcorp red-top C&S tube; Boricon, Bortiex, or Boricult yellow-top C&S tubes; urine transport tube with Triclosan; specimen received in Vacutainer® red/yellow urine transport tube more than 72 hours old; specimen received in urine cup stored at room temperature greater ... Test Code LAB1883 Methylmalonic Acid, Quantitative, Urine Additional Codes. MMAU. ... Additional confirmatory testing must be performed. In adults, moderately elevated values indicate a likely vitamin B12 (cobalamin) deficiency. ... Method Description. Methylmalonic acid (MMA) is determined by liquid chromatography-tandem mass spectrometry (LC ...labcorp-test-code-for-methylmalonic-acid 2 Downloaded from admissions.piedmont.edu on 2023-08-05 by guest Genetic Diseases of the Skin V. M. Der Kaloustian 2012-03-01 The two organs of the body most accessible to examination are the eye and the skin and its appendages. That is why, it is said, ophthalmological genetics is in such flourishing ...This test measures the amount of methylmalonic acid (MMA) in your blood or urine. MMA is a substance made in small amounts during metabolism. Metabolism is the process of how your body changes food into energy. Vitamin B12 plays an important role in metabolism. If your body doesn't have enough vitamin B12, it will make extra amounts of MMA.Methylmalonic Acid, Urine (24-hour or Random) Order Name Methylm Acid Ur Test Number: 5613575 Revision Date 09/11/2017. Test Name Methodology LOINC Code; Methylmalonic Acid ... Performing Labcorp Test Code: 716365 : Notes: Labcorp Test Code: 716365: CPT Code(s) 83921: Lab Section:

Use. Detect bacterial pathogenic organisms in the stool; diagnose typhoid fever, enteric fever, bacillary dysentery, Salmonella infection. Indications for stool culture include: 1. • Bloody diarrhea. • Fever. • Tenesmus. • Severe or persistent symptoms. • Recent travel to a third world country.83090, HOMOCYSTEINE ...Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B12 deficiency1-7 or congenital methylmalonic academia.8,9. This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration ...Methylmalonic acid is a substance produced when proteins, called amino acids, in the body break down. Your health care provider may order this test if there are signs of certain genetic disorders, such as methylmalonic acidemia. Testing for this disorder is often done as part of a newborn screening exam. This test may also be done with other ...Elevated levels of methylmalonic acid (MMA) result from inherited defects of enzymes involved in MMA metabolism or inherited or acquired deficiencies of vitamin B12 (cobalamin) or its downstream metabolites. Acquired deficiencies of vitamin B12 are much more common and can be due to intestinal malabsorption, impaired digestion, or poor diet.This procedure may not be successful when the HCV viral load is <1000 IU/mL in serum or plasma. Mixed genotype assay results may be reported for the following combinations (genotypes 1 and 2; genotypes 1 and 3; genotypes 1 and 4) when viral concentrations are near equivalence. The assay may not report lower concentration genotypes.Vitamin C, also referred to as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods, fortified in others, and available as a dietary supplement alone or in multivitamins. 1,2 Humans, unlike most animals, cannot synthesize vitamin C de novo and must obtain it as an essential dietary component. 1,3 Vitamin C a is required cofactor for …

Labcorp test details for Metabolic Panel (14), Comprehensive. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 322000: Comp. Metabolic Panel (14) 24323-8: 001032: Glucose: mg/dL: 2345-7: 322000:Methylmalonic Acid, Urine (24-hour or Random) Order Name Methylm Acid Ur Test Number: 5613575 Revision Date 09/11/2017. Test Name Methodology LOINC Code; Methylmalonic Acid ... Performing Labcorp Test Code: 716365 : Notes: Labcorp Test Code: 716365: CPT Code(s) 83921: Lab Section:... ACID FAST BLOOD CULTURE Order Code: CXBAF 1413 ... Test Information Mayo Code VITC. Patient ... Labcorp Feb. 6, 2017. IFE, SERUM Order Code: IFE 1122. Synonym ...Sep 11, 2017 · Methylmalonic Acid, Urine (24-hour or Random) ... Performing Labcorp Test Code: 716365 : Notes: Labcorp Test Code: 716365: CPT Code(s) 83921: Lab Section: Reference Lab Labcorp test details for Methylphenidate and Metabolite, ... Order Code Order Code Name Order Loinc ... Ritalinic Acid: ng/mL: 33507-5: Test Menu Right Side Menu.

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You can get tested through your healthcare provider, have them request a Labcorp COVID-19 home collection kit, or request one yourself by visiting Labcorp OnDemand. Labcorp offers nationwide testing for COVID-19. This site provides essential COVID information and news for patients, providers and managed care companies.Coding assessment tests have become increasingly popular among employers as a way to evaluate the technical skills of potential candidates. These tests are designed to assess a can...Labcorp test details for Metabolic Panel (14), Comprehensive. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 322000: Comp. Metabolic Panel (14) 24323-8: 001032: Glucose: mg/dL: 2345-7: 322000:The LabCorp Test Menu is a page at LabCorp.com that allows users to search for laboratory tests, according to Laboratory Corporation of America. As of 2015, searches can be conduct...

The methylmalonic acid test is often used along with the vitamin B-12 test or to clarify ambiguous vitamin B-12 test results. The methylmalonic acid test may also be ordered if the results of other blood tests are abnormal. For instance, abnormal results from a homocysteine test may prompt your doctor to order the methylmalonic acid test.Labcorp test details for Homocyst(e)ine. Specimen received not separated from cells (do not respin a gel-barrier tube to harvest additional serum); gross hemolysis (eg, bright red or cherry red); whole blood tube without a gel separator; plasma from a light blue-top (sodium citrate) tube or yellow-top (ACD) tube used for coagulation studies (liquid citrate tubes have a dilutional effect of ...For a comprehensive workup of patients with suspected pernicious anemia, order ACASM / Pernicious Anemia Cascade, Serum, which initiates testing with measurement of vitamin B12. Depending of the vitamin B12 concentration, testing for intrinsic factor blocking antibody, gastrin, and methylmalonic acid may be added. Specimen RequiredLabCorp is a leading provider of diagnostic testing services, offering a wide range of medical tests and screenings. With the advancement of technology, LabCorp has implemented an ...Switch to LabCorp lab tests (similar) Laboratory tests search details. Methylmalonic Acid (component) ... (Methylmalonic Acid Blood Test $269.00) Step 2: Checkout - go to Checkout and complete the checkout process there. Your total …LabCorp appointments should be scheduled through an individual lab testing site, according to LabCorp.com. Same-day appointments can be made with at least two hours notice, and wal...Labcorp test details for Hepatitis C Virus (HCV) RNA, Diagnosis. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 550870: HCV RNA Diagnosis, NAA: 50023-1: 550868: HCV RNA, Quantitation: IU/mL: 11011-4: 550870:Methylmalonic Acid, Quantitative, Plasma. Useful For. Evaluating children with signs and symptoms of methylmalonic acidemia using plasma specimens. Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency. Method Name. Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)Reason for your visit. - Select Service -Routine LabworkPediatric CollectionEmployment Wellness with Body MeasurementH Pylori TestEmployment Drug Testing - UrineEmployment Drug Testing - Oral FluidRapid Drug Test - UrineRapid Drug Test - Oral FluidSaliva Alcohol ScreenHair CollectionCOVID-19 Unexposed/Symptom Free.Use. Detect bacterial pathogenic organisms in the stool; diagnose typhoid fever, enteric fever, bacillary dysentery, Salmonella infection. Indications for stool culture include: 1. • Bloody diarrhea. • Fever. • Tenesmus. • Severe or persistent symptoms. • Recent travel to a third world country. This test was developed and its performance special determined by Labcorp. It has not been free or approved on the Food also Drug Administration. Population View Values for Serum Methylmalonic Acid Concentrations and Inherent Relationship with Age, Sex, Race-Ethnicity, Supplement Use, Kidney Function and Serum Vitamin B12 in the Post-Folic Tart ... Cobalamin, Methionine, and Methylmalonic Acid Pathways, Serum. Useful For. Screening and monitoring patients suspected of or confirmed with an inherited disorder of methionine, cobalamin, or propionate metabolism. Evaluating individuals with suspected deficiency of vitamin B12. Method Name. Liquid Chromatography Tandem Mass Spectrometry (LC-MS ...

The concentration of total homocysteine (tHcy) in serum and plasma is elevated in both folate and cobalamin deficiencies, whereas methylmalonic acid (MMA) in serum, plasma, or urine is a specific marker of cobalamin function. The combined measurement of both metabolites is useful for the diagnosis and follow-up of these deficiency states. In …

87-318 nmol/L. Homocysteine. Male. <11.4 umol/L. Female. <10.4 umol/L. Homocysteine is increased by functional deficiency of folate or vitamin B12. Testing for methylmalonic acid differentiates between these deficiencies. Other causes of increased homocysteine include renal failure, folate antagonists such as methotrexate and phenytoin, and ...Labcorp test details for Metabolic Panel (14), Comprehensive. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 322000: Comp. Metabolic Panel (14) 24323-8: 001032: Glucose: mg/dL: 2345-7: 322000:Nexletol (Bempedoic Acid) received an overall rating of 10 out of 10 stars from 2 reviews. See what others have said about Nexletol (Bempedoic Acid), including the effectiveness, e...Test Code LAB1301 Methylmalonic Acid, Quantitative, Plasma Additional Codes. Mayo Test ID; MMAP: Performing Laboratory ... Methylmalonic Acid, QN, P: 13964-2: Forms. If not ordering electronically, complete, print, and send 1 …This test is intended for use as an aid in the diagnosis of HIV-1 or HIV-2 infection, including acute or primary infection. Presence of HIV-1 or HIV-2 RNA in the plasma of patients without antibodies to HIV-1 or HIV-2 is indicative of acute or primary HIV-1 or HIV-2 infection. This assay may also be used as an additional test, when it is ... Urinary methylmalonic acid, when increased, is an early and sensitive indicator of vitamin B12 (cobalamin) deficiency. This test can also be used to monitor patients with methylmalonic aciduria. Diagnosis of methylmalonic aciduria requires an organic acid panel and appropriate clinical history. Per 24h calculations are provided to aid ... Chey WD, Fendrick AM. Noninvasive Helicobacter pylori testing for the "test-and-treat" strategy: A decision analysis to assess the effect of past infection on test choice. Arch Int Med. 2001 Sep 24; 161(17):2129-2132. 11570943Use. Diagnose pheochromocytoma, VMA is of value for evaluation of hypertension, diagnose and follow up neuroblastoma, ganglioneuroma, and ganglioneuroblastoma. Most neuroblastoma patients excrete excess HVA in 24-hour collections. If VMA and HVA are both used in work-up, up to 80% of all cases will be detected.Antibodies to DNA, either single- or double-stranded, are found primarily in systemic lupus erythematosus, and are important, but not necessary or sufficient for diagnosing that condition. Such antibodies are present in 80% to 90% of SLE cases. They are also present in smaller fractions of patients with other rheumatic disorders, and in chronic ... This test was developed and its performance special determined by Labcorp. It has not been free or approved on the Food also Drug Administration. Population View Values for Serum Methylmalonic Acid Concentrations and Inherent Relationship with Age, Sex, Race-Ethnicity, Supplement Use, Kidney Function and Serum Vitamin B12 in the Post-Folic Tart ...

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Labcorp test details for MHPG, 24-Hour Urine. 10 - 14 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider.This test is intended for use as an aid in the diagnosis of HIV-1 or HIV-2 infection, including acute or primary infection. Presence of HIV-1 or HIV-2 RNA in the plasma of patients without antibodies to HIV-1 or HIV-2 is indicative of acute or primary HIV-1 or HIV-2 infection. This assay may also be used as an additional test, when it is ...Methylmalonic Acid. Order Name METHYLMA S Test Number: 2051075 Revision Date 12/12/2022 ... Labcorp Test Code: 706961: CPT Code(s) 83921: Lab Section: Reference LabTest Includes. Vitamin B12 testing is performed on all samples. If Vitamin B12 is <200 pg/mL: Intrinsic Factor Blocking Antibodies and Antiparietal Cell Antibody (APCA) will be performed at an additional charge. If Vitamin B12 is between 200 and 400 pg/mL: Methylmalonic Acid (MMA) will be performed at an additional charge.Labcorp test details for MHPG, 24-Hour Urine. 10 - 14 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider.Have you ever wondered how intelligent you are? IQ tests have long been used as a measure of cognitive ability and are often seen as a benchmark for intelligence. However, not all ...Methylmalonic acid is a substance produced when proteins, called amino acids, in the body break down. Your health care provider may order this test if there are signs of certain genetic disorders, such as methylmalonic acidemia. Testing for this disorder is often done as part of a newborn screening exam. This test may also be done with other ...Methylmalonic acidemia. E71.120 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2024 edition of ICD-10-CM E71.120 became effective on October 1, 2023. This is the American ICD-10-CM version of E71.120 - other international versions of ICD-10 E71.120 may differ.Labcorp offers test resources for allergies, amino acid, endocrine, and more.Jul 13, 2021 ... Code Test / Test Code. (Dictionnaire MSSS) ... LabCorp/Dynacare (https://www.labcorp.com/) ... Combined Malonic And Methylmalonic Aciduria AR 614265. ….

Labcorp test details for Folate (Folic Acid) Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results Pay ... Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 002014: Folate (Folic Acid), Serum: 2284-8: 002020: Folate (Folic Acid), Serum: ng/mL:Use. Detect bacterial pathogenic organisms in the stool; diagnose typhoid fever, enteric fever, bacillary dysentery, Salmonella infection. Indications for stool culture include: 1. • Bloody diarrhea. • Fever. • Tenesmus. • Severe or persistent symptoms. • Recent travel to a third world country.Methylmalonic Acid, Serum (LabCorp). Get know how much does lab test cost. Direct access testing with or without insurance. ... Methylmalonic Acid, Serum test cost is ...Methylmalonic Acid (LABCORP) Test Code. 99901000985. Alias/See Also. LAB835: Methylmalonic Acid, Serum | LABCORP EAP: 706961 ... The CPT Codes provided in this ...TEST: 700068. CPT: 82139. Print Share Include LOINC® in print. 3 - 6 days. Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests.the reverse). In this approach, a second-line assay, Methylmalonic Acid (MMA), Serum or Plasma [706961], is performed when the outcome of the first-line assay falls in an “equivocal” range. It has been suggested that borderline B12 levels (200–400 ng/L) should be followed up with measuring MMA levels.5 MMA levels below the Browse Tests by Name. CPT Statement/Profile Statement. Labcorp's test menu provides a comprehensive list of specialty and general laboratory testing services. Jan 19, 2021 ... Methylmalonic acid (MMA) is used as a follow-up test if someone has B12 deficiency symptoms, but regular B12 levels. Learn more here. Synonyms: B12 Deficiency, Cobalamin Deficiency, Methylmalonate, MMA, Methylmalonic Aciduria. Primary Code: X706961 | Secondary Code: L1008. Specimen Collection Criteria: Collect (Preferred): 1 Gold-top serum separator tube (SST). (Minimum Whole Blood: 0.6 mL) Also Acceptable: 1 plain Red-top tube or 1 Dark Green-top Heparin tube. (Minimum Whole ... Labcorp test code for methylmalonic acid, Test Code MMA Methylmalonic Acid, Quantitative, Serum Additional Codes. Mayo Test ID; MMAS: Reporting Name ... Several studies have suggested that the determination of serum or urinary methylmalonic acid could be a more reliable marker of vitamin B12 deficiency than direct vitamin B12 determination., Use. Since valproic acid is highly bound, drugs that compete for protein binding sites can increase the amount of free valproic acid (biologically active protein); these include dicumarol, high dose salicylates, and phenylbutazone. If toxicity is suspected, a free valproic acid level should be obtained. , Specimen Collection Container/Tube: Red-top tube, gel-barrier tube OR green-top (heparin) tube: Volume: 2 mL: Minimum Volume: 0.6 mL (Note:This volume does NOT allow for repeat testing)., Methylmalonic Acid (Blood) also called the MMA test is a much more accurate test to evaluate one for a B-12 deficiency. Unfortunately, I have observed more often than not low vitamin B12 levels as false normal or false high , especially in pernicious anemia , due to excessive amounts of anti-intrinsic factor antibodies present in the serum., Get know how much does lab test cost: Baso(Absolute), Methylmalonic Acid, Serum or Plasma Direct access testing with or without insurance. ... LabCorp test: 706961 ... , Specimen Collection Container/Tube: Red-top tube, gel-barrier tube OR green-top (heparin) tube: Volume: 2 mL: Minimum Volume: 0.6 mL (Note:This volume does NOT allow for repeat testing). , Folic Acid (FA-8) received an overall rating of 9 out of 10 stars from 30 reviews. See what others have said about Folic Acid (FA-8), including the effectiveness, ease of use and s..., Labcorp test details for Valproic Acid, Free, Serum or Plasma. Skip to main content Close Menu. Logins. Individuals & Patients. Find a Lab View Test Results ... Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC; 070789: Free Valproic Acid (Depakote) 4087-3: 070790: Free Valproic Acid (Depakote) ug/mL:, This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a drop in the amount of vitamin B-12. MMA is excreted through your kidneys. Your body needs B-12 to make red blood cells and to …, The Methylmalonic Acid (MMA) test is used in the diagnosis of acquired cobalamin (vitamin B12) deficiency in adults and to screen for inherited organic acidemia in neonates and infants. Elevated MMA in either blood or urine indicates vitamin B12 deficiency in adults, with MMA acting as a functional biomarker for vitamin B12 status., Urinary methylmalonic acid, when increased, is an early and sensitive indicator of vitamin B12 (cobalamin) deficiency. This test can also be used to monitor patients with methylmalonic aciduria. Diagnosis of methylmalonic aciduria requires an organic acid panel and appropriate clinical history. Per 24h calculations are provided to aid ... , Stability Requirements. Causes for Rejection. Plasma from a light blue-top or yellow-top tube; citrate interferes with assay. Test Details. Use. Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with …, For a comprehensive workup of patients with suspected pernicious anemia, order ACASM / Pernicious Anemia Cascade, Serum, which initiates testing with measurement of vitamin B12. Depending of the vitamin B12 concentration, testing for intrinsic factor blocking antibody, gastrin, and methylmalonic acid may be added. Specimen Required, This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a drop in the amount of vitamin B-12. MMA is excreted through your kidneys. Your body needs B-12 to make red blood cells and to …, Get know how much does lab test cost: Baso(Absolute), Methylmalonic Acid, Serum or Plasma Direct access testing with or without insurance. ... LabCorp test: 706961 ... , Vitamin C, also referred to as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods, fortified in others, and available as a dietary supplement alone or in multivitamins. 1,2 Humans, unlike most animals, cannot synthesize vitamin C de novo and must obtain it as an essential dietary component. 1,3 Vitamin C a is required cofactor for …, 1. Background. Serum methylmalonic acid (MMA) concentrations are elevated in vitamin B-12 deficiency. It is derived from l-methylmalonyl CoA due to impaired function of l-methylmalonyl CoA mutase []. l-methylmalonyl CoA mutase requires adenosylcobalamin, a coenzyme of vitamin B-12, which converts l-methlymalonyl CoA to …, Performed by LabCorp, test code 706961. Reported. Report available: 3-6 days. Synonyms. MMA (Methylmalonic Acid, Serum or Plasma (Metabolic Disorders)) Result ..., 87-318 nmol/L. Homocysteine. Male. <11.4 umol/L. Female. <10.4 umol/L. Homocysteine is increased by functional deficiency of folate or vitamin B12. Testing for methylmalonic acid differentiates between these deficiencies. Other causes of increased homocysteine include renal failure, folate antagonists such as methotrexate and phenytoin, and ..., Methylmalonic Acid, Serum. Test Code: LAB835 Order Information; Order Alias 2 706961 Place of Service Labcorp Additional Information Sendout to Labcorp. For current …, LabCorp, short for Laboratory Corporation of America Holdings, is a leading provider of diagnostic testing and medical laboratory services. With numerous locations across the Unite..., Jan 19, 2021 ... Methylmalonic acid (MMA) is used as a follow-up test if someone has B12 deficiency symptoms, but regular B12 levels. Learn more here., For a comprehensive workup of patients with suspected pernicious anemia, order ACASM / Pernicious Anemia Cascade, Serum, which initiates testing with measurement of vitamin B12. Depending of the vitamin B12 concentration, testing for intrinsic factor blocking antibody, gastrin, and methylmalonic acid may be added. Specimen Required, , Limitations. This procedure may not be successful when the HCV viral load is <1000 IU/mL in serum or plasma. Mixed genotype assay results may be reported for the following combinations (genotypes 1 and 2; genotypes 1 and 3; genotypes 1 and 4) when viral concentrations are near equivalence. The assay may not report lower concentration …, Methylmalonic Acid, Quantitative, Plasma. Useful For. Evaluating children with signs and symptoms of methylmalonic acidemia using plasma specimens. Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency. Method Name. Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS) , Still looking for a good faith estimate? After entering your email address, you will receive a downloadable file containing test codes. If the test code you are looking for is not included in the emailed file and you are a self-pay patient, you can call 1.800.758.5016 Monday - Thursday, 8:30 AM – 5:00 PM and Friday, 8:30 AM – 4:00 PM Eastern Standard Time (EST) for assistance. , Feb 9, 2023 ... Methylmalonic Acid. FDSN-foodANALYZER IgG ... Note: Any draws to be collected at a LabCorp location, test code ... Blood Testing Saliva Testing ..., The 99.5 percentile, determined from the analysis of 200 dried blood spots of unaffected controls, for methylmalonic acid (MMA), methylcitric acid (MCA), and homocysteine (HCY), are 1.58 nmol/mL, 0.62 nmol/mL, and 9.9 nmol/mL, ... (CPT) code(s) information for each test or profile., Methylmalonic aciduria and homocystinuria, CblC type (OMIM #277400) is the most common disorder of cobalamin intracellular metabolism, an autosomal recessive disease, whose biochemical hallmarks are hyperhomocysteinemia, methylmalonic aciduria and low plasma methionine. Despite being a well-recognized disease for pediatricians, …, This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in tiny amounts when you digest protein. Your body makes large amounts of MMA if you have a drop in the amount of vitamin B-12. MMA is excreted through your kidneys. Your body needs B-12 to make red blood cells and to …, Elevated levels of methylmalonic acid (MMA) result from inherited defects of enzymes involved in MMA metabolism or inherited or acquired deficiencies of vitamin B12 (cobalamin) or its downstream metabolites. Acquired deficiencies of vitamin B12 are much more common and can be due to intestinal malabsorption, impaired digestion, or poor diet., Main Laboratory . The Doctors Laboratory The Halo Building, 1 Mabledon Place London, WC1H 9AX, UK . Tel: +44 (0)20 7307 7373 Email: [email protected]