C91.52
Billable codeAdult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
The ICD-10 code for adult t-cell lymphoma/leukemia (htlv-1-associated), in relapse is C91.52.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C91.50Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission
- C91.51Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remission
- C91.52Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 20482Approximate match
Associated MS-DRGs
C91.52 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 814Reticuloendothelial and Immunity Disorders with MCC
- DRG 815Reticuloendothelial and Immunity Disorders with CC
- DRG 816Reticuloendothelial and Immunity Disorders without CC/MCC
- DRG 820Lymphoma and Leukemia with Major O.R. Procedures with MCC
- DRG 821Lymphoma and Leukemia with Major O.R. Procedures with CC
- DRG 822Lymphoma and Leukemia with Major O.R. Procedures without CC/MCC
- DRG 823Lymphoma and Non-Acute Leukemia with Other Procedures with MCC
- DRG 824Lymphoma and Non-Acute Leukemia with Other Procedures with CC
- DRG 825Lymphoma and Non-Acute Leukemia with Other Procedures without CC/MCC
- DRG 840Lymphoma and Non-Acute Leukemia with MCC
- DRG 841Lymphoma and Non-Acute Leukemia with CC
- DRG 842Lymphoma and Non-Acute Leukemia without CC/MCC