C95.11

HCC Category Mapping

What This Code Means

A chronic leukemia of unknown cell type where the cancer has responded to treatment and is in remission.

Coding Tips

• •Confirm remission status is documented; chronic leukemias may have longer remission periods than acute types
• •If the specific cell type is identified, update to the appropriate chronic leukemia code

Clinical Significance

Chronic leukemia of unspecified cell type in remission indicates a chronic leukemia of undetermined lineage that has responded to treatment. True remission in chronic leukemias may be more difficult to define than in acute forms, and the criteria should be specified in documentation.

Documentation Requirements

• ✓Documentation must confirm remission status with appropriate clinical evidence such as normalization of blood counts, resolution of lymphadenopathy or splenomegaly, and molecular or cytogenetic response if applicable.
• ✓The reason for unspecified cell type and attempts to classify should be noted.

Commonly Confused Codes