Q77.6 Chondroectodermal dysplasia

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Ellis-van Creveld syndrome

Applies from Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine

Excludes1 (never code together)

• mucopolysaccharidosis (E76.0-E76.3)

Excludes2 (not included here)

• congenital myotonic chondrodystrophy (G71.13)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 756.55 Chondroectodermal dysplasia

Code annotations containing back-references to Q77.6

Back-references to Q77.6

• Type 1 Excludes: Q82.4 Ectodermal dysplasia (anhidrotic) ("Ellis-van Creveld syndrome (Q77.6)")
• Type 1 Excludes: Q87.1 Congenital malformation syndromes predominantly associated with short stature ("Ellis-van Creveld syndrome (Q77.6)")

Back-references to Q77

• 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 Q77.6

• Chondroectodermal dysplasia
• Disease, diseased › Ellis-van Creveld (chondroectodermal dysplasia)
• Dysplasia › chondroectodermal
• Ellis-van Creveld syndrome (chondroectodermal dysplasia)
• Syndrome › chondroectodermal dysplasia
• Syndrome › Ellis-van Creveld

Nearby codes

• Q77.1 Thanatophoric short stature
• Q77.2 Short rib syndrome
• Q77.3 Chondrodysplasia punctata
• Q77.4 Achondroplasia
• Q77.5 Diastrophic dysplasia
• Q77.6 Chondroectodermal dysplasia (this code)
• Q77.7 Spondyloepiphyseal dysplasia
• Q77.8 Other osteochondrodysplasia with defects of growth of tubular bones and spine
• Q77.9 Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified