D51.2
Billable codeTranscobalamin II deficiency
The ICD-10 code for transcobalamin ii deficiency is D51.2.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- D51.0Vitamin B12 deficiency anemia due to intrinsic factor deficiency
- D51.1Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption with proteinuria
- D51.3Other dietary vitamin B12 deficiency anemia
- D51.8Other vitamin B12 deficiency anemias
- D51.9Vitamin B12 deficiency anemia, unspecified
- D51.2Transcobalamin II deficiency
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2811Approximate match
Associated MS-DRGs
D51.2 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.