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Test ID: FB12V    
Vitamin B12 Deficiency Panel

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CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

82136/HCYS and cystathionine

83921/ x2 MMA and methylcitric acid

LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and result codes of this test.

Test IDTest Order NameOrder LOINC Code
FB12VVitamin B12 Deficiency PanelIn Process


Result IDTest Result NameResult LOINC Code
Z0152Methylmalonic AcidIn Process
Z01532-Methylcitric AcidIn Process
Z0154HomocysteineIn Process
Z0155CystathionineIn Process

LOINC and CPT codes are provided by the performing laboratory.