Q79.8 – Other congenital malformations of musculoskeletal system

ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system

Billable code

ICD-10-CM code Q79.8
Code
Q79.8 (claims format: Q798)
Description
Other congenital malformations of musculoskeletal system
Billable
Yes – valid for HIPAA-covered transactions
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
Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
Parent codes
Q79

Notes for Q79.8

Applicable to:
  • Absence of muscle
  • Absence of tendon
  • Accessory muscle
  • Amyotrophia congenita
  • Congenital constricting bands
  • Congenital shortening of tendon
  • Poland syndrome

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q79 – Congenital malformations of musculoskeletal system, not elsewhere classified

Excludes2 (not included here):
  • congenital (sternomastoid) torticollis (Q68.0)

Index terms for Q79.8

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q79

Frequently asked questions

What is ICD-10 code Q79.8?

Q79.8 is the ICD-10-CM code for other congenital malformations of musculoskeletal system, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).

Is Q79.8 a billable code?

Yes. Q79.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Q79.8 belong to?

It belongs to category Q79 – Congenital malformations of musculoskeletal system, 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.