Q79.61 Classical Ehlers-Danlos syndrome

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

Applicable to

• Classical EDS (cEDS)

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

Excludes2 (not included here)

• congenital (sternomastoid) torticollis (Q68.0)

Risk adjustment (HCC)

• RxHCC V08: HCC 84 — Systemic Lupus Erythematosus and Other Systemic Connective Tissue Disorders

MS-DRG index

Defines the logic of DRG(s) 564-566 in MDC 08.

Code annotations containing back-references to Q79.61

Back-references to Q79.6

• Type 2 Excludes: M35.7 Hypermobility syndrome ("Ehlers-Danlos syndromes (Q79.6-)")
• Type 1 Excludes: Q82.8 Other specified congenital malformations of skin ("Ehlers-Danlos syndromes (Q79.6-)")

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 Q79.61

• Syndrome › Ehlers-Danlos › classical (cEDS) (classical EDS)

Nearby codes

• 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
• Q79.61 Classical Ehlers-Danlos syndrome (this code)
• Q79.62 Hypermobile Ehlers-Danlos syndrome
• Q79.63 Vascular Ehlers-Danlos syndrome
• Q79.69 Other Ehlers-Danlos syndromes
• Q79.8 Other congenital malformations of musculoskeletal system
• Q79.9 Congenital malformation of musculoskeletal system, unspecified