Q89
Other congenital malformations, not elsewhere classified
Q89 is a non-billable ICD-10-CM code category for other congenital malformations, 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 codes under it are Q89.0 Congenital absence and malformations of spleen, Q89.1 Congenital malformations of adrenal gland, Q89.2 Congenital malformations of other endocrine glands, Q89.3 Situs inversus and 4 more. Its coding notes include 1 Excludes2 entry.
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.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
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
More specific codes under Q89 8
- Q89.0Congenital absence and malformations of spleenHeader
- Q89.1Congenital malformations of adrenal glandBillable
- Q89.2Congenital malformations of other endocrine glandsBillable
- Q89.3Situs inversusBillable
- Q89.4Conjoined twinsBillable
- Q89.7Multiple congenital malformations, not elsewhere classifiedBillable
- Q89.8Other specified congenital malformationsHeader
- Q89.9Congenital malformation, unspecifiedBillable