QA1
Genetic disorders associated with neoplasms, not elsewhere classified
QA1 is a non-billable ICD-10-CM code category for genetic disorders associated with neoplasms, not elsewhere classified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific code under it is QA1.7 Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classified. Its coding notes include a Code also instruction and 2 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records