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Home/Diagnosis/ICD-10 Coding for Deficiency Anemia

ICD-10 Coding for Deficiency Anemia

D51.0
D51.1
D51.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for deficiency anemia includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Vitamin B12 Deficiency Anemia
Iron Deficiency Anemia
Pernicious Anemia
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Key Information: ICD-10 Coding for Deficiency Anemia

Essential facts and insights about ICD-10 Coding for Deficiency Anemia

Use ICD-10 code D51.0 for vitamin b12 deficiency anemia due to intrinsic factor deficiency, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Vitamin B12 deficiency anemia due to intrinsic factor deficiency

Billable Code
D51.0
Billable

Diagnostic Criteria

  • • Anti-intrinsic factor antibodies
  • • Serum B12 <200 pg/mL
  • • Elevated methylmalonic acid (MMA)

Applicable To

  • • Pernicious anemia

Important Notes

  • • Ensure intrinsic factor deficiency is documented to avoid misclassification.

Vitamin B12 deficiency anemia due to dietary deficiency

Billable Code
D51.1
Billable

Diagnostic Criteria

  • • Serum B12 <200 pg/mL
  • • Dietary history indicating inadequate B12 intake

Applicable To

  • • Nutritional B12 deficiency

Important Notes

  • • Document dietary habits to support code selection.

Vitamin B12 deficiency anemia, unspecified

Billable Code
D51.9
Billable

Diagnostic Criteria

  • • Serum B12 <200 pg/mL
  • • No specific cause documented

Applicable To

  • • Unspecified B12 deficiency

Important Notes

  • • Investigate and document potential causes to avoid unspecified coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

K29.40

Atrophic gastritis

Use when atrophic gastritis is documented alongside pernicious anemia.

Frequently Asked Questions

What is the ICD-10 code for B12 deficiency anemia?

The ICD-10 code for B12 deficiency anemia due to intrinsic factor deficiency is D51.0, while D51.1 is used for dietary deficiency.

How do you code pernicious anemia?

Pernicious anemia is coded as D51.0, which requires documentation of intrinsic factor deficiency.

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