C91.00

Billable

ChapterC00–D49

Ranksubcategory

Official Description

Acute lymphoblastic leukemia not having achieved remission

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes

Acute lymphoblastic leukemia with failed remission
Acute lymphoblastic leukemia NOS

General instructions are available for the parent sections:

View C81-C96 Notes View C91 Notes

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

C91Lymphoid leukemia

C91.0Acute lymphoblastic leukemia [ALL]

C91.00Acute lymphoblastic leukemia not having achieved remissionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C91.00:

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 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 820

Lymphoma and Leukemia with Major O.R. Procedures with MCC

DRG 821

Lymphoma and Leukemia with Major O.R. Procedures with CC

DRG 822

Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC

DRG 834

Acute Leukemia with MCC

DRG 835

Acute Leukemia with CC

DRG 836

Acute Leukemia without CC/MCC

DRG 837

Chemotherapy with Acute Leukemia as Secondary Diagnosis or with High Dose Chemotherapy Agent with MCC

DRG 838

Chemotherapy with Acute Leukemia as Secondary Diagnosis with CC or High Dose Chemotherapy Agent

DRG 839

Chemotherapy with Acute Leukemia as Secondary Diagnosis without CC/MCC

DRG 850

Acute Leukemia with Other Procedures

Cross Reference

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