Q89.8 – Other specified congenital malformations
ICD-10-CM 2027 diagnosis code · Other congenital malformations
ICD-10-CM code
Q89.8
- Code
Q89.8(claims format:Q898)- Description
- Other specified congenital malformations
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q80-Q89 Other congenital malformations
- Parent codes
- Q89
Billable codes under Q89.8
Q89.8 is a header code and cannot be used on claims. Choose the most specific code:
Notes for Q89.8
Use additional code:
- code(s) to identify all associated manifestations
Related codes in Q89
- Q89.0 – Congenital absence and malformations of spleenHeader
- Q89.1 – Congenital malformations of adrenal glandBillable
- Q89.2 – Congenital malformations of other endocrine glandsBillable
- Q89.3 – Situs inversusBillable
- Q89.4 – Conjoined twinsBillable
- Q89.7 – Multiple congenital malformations, not elsewhere classifiedBillable
- Q89.9 – Congenital malformation, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q89.8?
Q89.8 is the ICD-10-CM code for other specified congenital malformations, in the block Q80-Q89 (Other congenital malformations).
Is Q89.8 a billable code?
No. Q89.8 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Q89.8 belong to?
It belongs to category Q89 – Other congenital malformations, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.