Complete ICD-10-CM coding and documentation guide for icd-10 coding for hairy cell leukemia includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Hairy Cell Leukemia
Use ICD-10 code C91.4 for hairy cell leukemia, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Pancytopenia
Use when documenting cytopenias associated with HCL.
Splenomegaly
Use when splenomegaly is present in HCL cases.
The ICD-10 code for hairy cell leukemia is C91.4, used for confirmed cases meeting specific diagnostic criteria.
Hairy cell leukemia is diagnosed through morphology, immunophenotyping (CD19+, CD20+, CD11c+, CD25+, CD103+, CD123+), and BRAF V600E mutation testing.