ICD-9-CM Diagnosis Code 204.20
Diagnosis Code: 204.20 (Raw: 20420)
Description: Subacute lymphoid leukemia, without mention of having achieved remission
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 204.20 is designated for Subacute lymphoid leukemia, without mention of having achieved remission. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
