C91.90

✓ Billable

Lymphoid leukemia, unspecified not having achieved remission

Neoplasms (C00-D49)

Also Known As

Lymphoid leukemia with failed remissionLymphoid leukemia NOS

✅ No additional coding notes for C91.90

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Code Information

CodeC91.90

BillableYes

ParentC91.9

CategoryNeoplasms (C00-D49)

Excludes10 rule(s)

Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)