Q77.4 - Achondroplasia

The ICD 10 Code for Achondroplasia is listed as Q77.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	Q77.4
Description:	Achondroplasia Hypochondroplasia Osteosclerosis congenita
Diagnostic Related Groups (MS-DRG v30.0)	564 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W Mcc 565 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W Cc 566 - Other Musculoskeletal Sys & Connective Tissue Diagnoses W/o Cc/mcc

Chapter	Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block	Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
Parent	Q77 - Osteochondrodysplasia with defects of growth of tubular bones and spine
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	756.4 - Chondrodystrophy (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Q77.4:
Q77.0 - Achondrogenesis
Q77.1 - Thanatophoric short stature
Q77.2 - Short rib syndrome
Q77.3 - Chondrodysplasia punctata
Q77.5 - Diastrophic dysplasia
Q77.6 - Chondroectodermal dysplasia
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