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ICD-10-CM Current in FY 2027

C91.62

Prolymphocytic leukemia of T-cell type, in relapse

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where C91.62 sits in the official hierarchy. Each level is the code it is classified under.

  1. C91 Lymphoid leukemia
  2. C91.6 Parent Prolymphocytic leukemia of T-cell type
  3. C91.62 This code Prolymphocytic leukemia of T-cell type, in relapse

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

personal history of leukemia ( Z85.6 )

Inherited from C91 — Lymphoid leukemia

Version History

How C91.62 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Prolymphocytic leukemia of T-cell type, in relapse

  2. FY 2026 Effective

    Unchanged

    Prolymphocytic leukemia of T-cell type, in relapse

Related Codes

Other codes under C91.6

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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