Q79.59 Other congenital malformations of abdominal wall

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applies from Q79 Congenital malformations of musculoskeletal system, not elsewhere classified

Excludes2 (not included here)

• congenital (sternomastoid) torticollis (Q68.0)

Applies from Q79.5 Other congenital malformations of abdominal wall

Excludes1 (never code together)

• umbilical hernia (K42.-)

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 756.70 Anomaly of abdominal wall, unspecified (approximate)
• 756.79 Other congenital anomalies of abdominal wall (approximate)

Code annotations containing back-references to Q79.59

Back-references to Q79

• Type 1 Excludes: M24.3 Pathological dislocation of joint, not elsewhere classified ("congenital dislocation or displacement of joint- see congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")
• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("congenital malformations and deformations of the musculoskeletal system (Q65-Q79)")

Diagnosis Index entries for Q79.59

• Anomaly, anomalous (congenital) (unspecified type) › abdominal wall NEC
• Defect, defective › abdominal wall, congenital
• Deformity › abdominal wall › congenital
• Diastasis › recti (abdomen) › congenital
• Ectopic, ectopia (congenital) › abdominal viscera › due to defect in anterior abdominal wall

Nearby codes

• Q79.2 Exomphalos
• Q79.3 Gastroschisis
• Q79.4 Prune belly syndrome
• Q79.5 Other congenital malformations of abdominal wall
• Q79.51 Congenital hernia of bladder
• Q79.59 Other congenital malformations of abdominal wall (this code)
• Q79.6 Ehlers-Danlos syndromes
• Q79.60 Ehlers-Danlos syndrome, unspecified
• Q79.61 Classical Ehlers-Danlos syndrome
• Q79.62 Hypermobile Ehlers-Danlos syndrome
• Q79.63 Vascular Ehlers-Danlos syndrome