Q79.4 Prune belly syndrome

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.

Applicable to

• Congenital prolapse of bladder mucosa
• Eagle-Barrett syndrome

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

Excludes2 (not included here)

• congenital (sternomastoid) torticollis (Q68.0)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 756.71 Prune belly syndrome (approximate)

Code annotations containing back-references to Q79.4

Back-references to Q79.4

• Type 1 Excludes: Q64.7 Other and unspecified congenital malformations of bladder and urethra ("congenital prolapse of bladder (mucosa) (Q79.4)")

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 Q79.4

• Abdomen, abdominal › muscle deficiency syndrome
• Aplasia › abdominal muscle syndrome
• Deficiency, deficient › abdominal muscle syndrome
• Prolapse, prolapsed › bladder (mucosa) (sphincter) (acquired) › congenital
• Prune belly (syndrome)
• Syndrome › abdominal › muscle deficiency
• Syndrome › Eagle-Barrett
• Syndrome › prune belly

Nearby codes

• Q79 Congenital malformations of musculoskeletal system, not elsewhere classified
• Q79.0 Congenital diaphragmatic hernia
• Q79.1 Other congenital malformations of diaphragm
• Q79.2 Exomphalos
• Q79.3 Gastroschisis
• Q79.4 Prune belly syndrome (this code)
• Q79.5 Other congenital malformations of abdominal wall
• Q79.51 Congenital hernia of bladder
• Q79.59 Other congenital malformations of abdominal wall
• Q79.6 Ehlers-Danlos syndromes
• Q79.60 Ehlers-Danlos syndrome, unspecified