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Home/Diagnosis/ICD-10 Coding for Microcytosis

ICD-10 Coding for Microcytosis

D50.9
D56.9

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

Also Known as:
Microcytic Anemia
Small Red Blood Cells
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Key Information: ICD-10 Coding for Microcytosis

Essential facts and insights about ICD-10 Coding for Microcytosis

Use ICD-10 code D50.9 for iron deficiency anemia, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Iron deficiency anemia, unspecified

Billable Code
D50.9
Billable

Diagnostic Criteria

  • • Ferritin <30 ng/mL
  • • MCV <80 fL
  • • TIBC >400 µg/dL

Applicable To

  • • Iron deficiency anemia

Important Notes

  • • Ensure iron studies are documented to support this code.

Thalassemia, unspecified

Billable Code
D56.9
Billable

Diagnostic Criteria

  • • Hb electrophoresis showing elevated HbA2

Applicable To

  • • Thalassemia minor

Important Notes

  • • Document genetic testing results to support this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

E61.1

Iron deficiency

Use to specify the cause of iron deficiency anemia.

Z13.0

Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

Use for screening purposes.

Frequently Asked Questions

What is the ICD-10 code for microcytosis?

The ICD-10 code for microcytosis is typically coded under iron deficiency anemia (D50.9) or thalassemia (D56.9), depending on the underlying cause.

How is microcytosis diagnosed?

Microcytosis is diagnosed through lab tests showing low MCV, often accompanied by low ferritin levels indicating iron deficiency or genetic testing for thalassemia.

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