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Home/Diagnosis/ICD-10 Coding for Chronic Leukemia

ICD-10 Coding for Chronic Leukemia

C91.10
C91.11
C91.12

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

Also Known as:
Chronic Lymphocytic Leukemia
CLL
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Key Information: ICD-10 Coding for Chronic Leukemia

Essential facts and insights about ICD-10 Coding for Chronic Leukemia

Use ICD-10 code C91.10 for chronic lymphocytic leukemia of b-cell type, not having achieved remission, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Chronic lymphocytic leukemia of B-cell type, not having achieved remission

Billable Code
C91.10
Billable

Diagnostic Criteria

  • • Absolute lymphocytosis >5,000/µL
  • • Flow cytometry showing CD5+, CD19+, CD23+

Applicable To

  • • Active B-cell CLL

Important Notes

  • • Ensure documentation specifies B-cell type and current disease status.

Chronic lymphocytic leukemia of B-cell type, in remission

Billable Code
C91.11
Billable

Diagnostic Criteria

  • • Documented remission status with no active treatment

Applicable To

  • • B-cell CLL in remission

Important Notes

  • • Ensure remission status is clearly documented.

Chronic lymphocytic leukemia of B-cell type, in relapse

Billable Code
C91.12
Billable

Diagnostic Criteria

  • • Evidence of disease progression after remission

Applicable To

  • • B-cell CLL in relapse

Important Notes

  • • Relapse must be confirmed by clinical documentation.
Ancillary Codes

Additional codes that may be used with this diagnosis

D59.1

Other autoimmune hemolytic anemias

Use when CLL is associated with autoimmune hemolytic anemia.

Frequently Asked Questions

What is the ICD-10 code for chronic leukemia?

The ICD-10 code for chronic lymphocytic leukemia is C91.10 for active disease, C91.11 for remission, and C91.12 for relapse.

How do you code chronic leukemia in remission?

Chronic leukemia in remission is coded as C91.11, provided there is documented evidence of remission.

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