Q79.9
Congenital malformation of musculoskeletal system, unspecified
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · Q79.9
Synonyms
Congenital anomaly of musculoskeletal system NOS Congenital deformity of musculoskeletal system NOS
Inherited from Q79Congenital malformations of musculoskeletal system, NEC
Excludes 2
congenital (sternomastoid) torticollis (Q68.0)
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Note
Codes from this chapter are not for use on maternal records
Official Guidelines for Q79.9
FY 2026 ›Sections that reference Q79.9
Sections whose FY 2026 text names Q79.9, its Q79 category, or a range containing it — the chapter guidance above is the authoritative source.
Find Q79.9 in the alphabetic index
23 index paths lead to this code
- Agenesis › bone
- Agenesis › cartilage
- Anomaly, anomalous › bone
- Anomaly, anomalous › bursa
- Anomaly, anomalous › fascia
- Anomaly, anomalous › ligament
- Anomaly, anomalous › muscle
- Anomaly, anomalous › musculoskeletal system, except limbs
- Anomaly, anomalous › tendon
- Deformity › bursa, congenital
- Development › abnormal, bone
- Elongated, elongation › bone
- Fusion, fused › ossicles
- Hypoplasia, hypoplastic › bone NOS
- Malformation › bone
- Malformation › bursa
- Malformation › musculoskeletal system
- Malformation › tendon
- Rudimentary › bone
- Deformity › bone NOS › congenital
- Deformity › ligament › congenital
- Deformity › muscle › congenital
- Deformity › musculoskeletal system › congenital