All ICD10 Codes

C91.Z

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Other lymphoid leukemia

Use a more specific code (3 billable)
C91.Z0Other lymphoid leukemia not having achieved remissionC91.Z1Other lymphoid leukemia, in remissionC91.Z2Other lymphoid leukemia, in relapse
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • T-cell large granular lymphocytic leukemia (associated with rheumatoid arthritis)
General instructions are available for the parent sections:
View C81-C96 NotesView C91 Notes

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C91Lymphoid leukemia
C91.ZOther lymphoid leukemiaNot billable
C91.Z0Other lymphoid leukemia not having achieved remissionBillable
C91.Z1Other lymphoid leukemia, in remissionBillable
C91.Z2Other lymphoid leukemia, in relapseBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C91.Z:

categoryC91
Lymphoid leukemia
View context instructions
blockC81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Other lymphoid leukemia.

Search PCS Codes