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Home/Diagnosis/ICD-10 Coding for B-cell Acute Lymphoblastic Leukemia

ICD-10 Coding for B-cell Acute Lymphoblastic Leukemia

C91.00
C91.01
C91.02

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

Also Known as:
B-ALL
B-cell ALL
Brother Cell Acute Lymphoblastic Leukemia
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Key Information: ICD-10 Coding for B-cell Acute Lymphoblastic Leukemia

Essential facts and insights about ICD-10 Coding for B-cell Acute Lymphoblastic Leukemia

Use ICD-10 code C91.00 for acute lymphoblastic leukemia, not having achieved remission, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute lymphoblastic leukemia, not having achieved remission

Billable Code
C91.00
Billable

Diagnostic Criteria

  • • Bone marrow biopsy showing ≥20% blasts
  • • Immunophenotyping confirming B-cell markers (e.g., CD19, CD79a)

Applicable To

  • • New diagnosis of B-ALL
  • • Persistent disease without remission

Important Notes

  • • Ensure documentation specifies B-cell lineage to avoid confusion with T-cell ALL.

Acute lymphoblastic leukemia, in remission

Billable Code
C91.01
Billable

Diagnostic Criteria

  • • Flow cytometry showing ≤5% blasts
  • • Documentation of remission status

Applicable To

  • • B-ALL in remission with ≤5% blasts

Important Notes

  • • Ensure remission status is clearly documented in the medical record.

Acute lymphoblastic leukemia, in relapse

Billable Code
C91.02
Billable

Diagnostic Criteria

  • • Bone marrow biopsy showing ≥20% blasts post-treatment
  • • Clinical documentation of relapse

Applicable To

  • • B-ALL in relapse with ≥20% blasts post-treatment

Important Notes

  • • Relapse status must be clearly documented with supporting clinical evidence.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z51.12

Encounter for antineoplastic immunotherapy

Use when the patient is receiving immunotherapy treatments such as CAR-T.

Frequently Asked Questions

What is the ICD-10 code for B-cell acute lymphoblastic leukemia?

The ICD-10 code for B-cell acute lymphoblastic leukemia varies by status: C91.00 for active disease, C91.01 for remission, and C91.02 for relapse.

How is B-cell acute lymphoblastic leukemia documented?

Documentation should include immunophenotyping results, genetic abnormalities, and disease status (active, remission, or relapse) for accurate coding.

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