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Home/Diagnosis/ICD-10 Coding for Elevated Mean Corpuscular Volume

ICD-10 Coding for Elevated Mean Corpuscular Volume

D51.0
D53.1
R79.89

Complete ICD-10-CM coding and documentation guide for icd-10 coding for elevated mean corpuscular volume includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
High MCV
Macrocytosis
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Key Information: ICD-10 Coding for Elevated Mean Corpuscular Volume

Essential facts and insights about ICD-10 Coding for Elevated Mean Corpuscular Volume

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

Primary ICD-10-CM Codes

Vitamin B12 deficiency anemia

Billable Code
D51.0
Billable

Diagnostic Criteria

  • • Serum B12 <200 pg/mL
  • • Intrinsic factor antibody positive
  • • MCV >100 fL

Applicable To

  • • Pernicious anemia

Important Notes

  • • Ensure documentation specifies B12 deficiency with lab confirmation.

Other megaloblastic anemias, not elsewhere classified

Billable Code
D53.1
Billable

Diagnostic Criteria

  • • MCV >100 fL
  • • Exclusion of B12 and folate deficiencies

Applicable To

  • • Macrocytic anemia of undetermined etiology

Important Notes

  • • Document exclusion of B12 and folate deficiencies.

Other specified abnormal findings of blood chemistry

Billable Code
R79.89
Billable

Diagnostic Criteria

  • • MCV >100 fL
  • • Normal hemoglobin levels

Applicable To

  • • Elevated MCV without anemia

Important Notes

  • • Ensure documentation specifies absence of anemia.
Ancillary Codes

Additional codes that may be used with this diagnosis

R79.89

Other specified abnormal findings of blood chemistry

Use for elevated MCV without anemia.

Frequently Asked Questions

What is the ICD-10 code for elevated MCV?

The ICD-10 code for elevated mean corpuscular volume without anemia is R79.89. If anemia is present, specific codes like D51.0 for B12 deficiency should be used.

How do you code macrocytic anemia?

Macrocytic anemia is coded based on the underlying cause. Use D51.0 for B12 deficiency and D52.9 for folate deficiency. If the cause is unknown, use D53.1.

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