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Home/Diagnosis/ICD-10 Coding for Acute Lymphocytic Leukemia

ICD-10 Coding for Acute Lymphocytic Leukemia

C91.00
C91.01
C91.02

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

Also Known as:
Acute Lymphoblastic Leukemia
ALL
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Key Information: ICD-10 Coding for Acute Lymphocytic Leukemia

Essential facts and insights about ICD-10 Coding for Acute Lymphocytic 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 blasts ≥20%
  • • Flow cytometry confirming B/T-cell lineage

Applicable To

  • • Newly diagnosed ALL
  • • Active ALL

Important Notes

  • • Ensure documentation specifies the type and status of leukemia.

Acute lymphoblastic leukemia, in remission

Billable Code
C91.01
Billable

Diagnostic Criteria

  • • Bone marrow blasts <5%
  • • No extramedullary disease

Applicable To

  • • ALL in complete remission

Important Notes

  • • Document remission status clearly with supporting lab results.

Acute lymphoblastic leukemia, in relapse

Billable Code
C91.02
Billable

Diagnostic Criteria

  • • Bone marrow blasts ≥5%
  • • New extramedullary lesions

Applicable To

  • • Relapsed ALL

Important Notes

  • • Ensure documentation of relapse with supporting clinical evidence.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z51.12

Encounter for immunotherapy

Use when patient is receiving immunotherapy.

Frequently Asked Questions

What is the ICD-10 code for acute lymphocytic leukemia?

The ICD-10 codes for acute lymphocytic leukemia include C91.00 for active disease, C91.01 for remission, and C91.02 for relapse.

How is acute lymphocytic leukemia documented?

Documentation should include leukemia type, remission status, and supporting lab results such as bone marrow blast percentage.

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