ICD-10-CM · Chapter 3 · D50–D89
D51.2
Transcobalamin II deficiency
Diseases of the blood and immune mechanism
Quick facts
- Code
- D51.2
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 3 — Diseases of the blood and immune mechanism
- Category
- D51 — Vitamin B12 deficiency anemia
- Specificity
- 4 characters
How coders use this code
ICD-10-CM D51.2 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of transcobalamin ii deficiency. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in D51
- D51Vitamin B12 deficiency anemia
- 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
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