ICD-10-CM > E00-E89 > E20-E35 > E34 > E34.3 > E34.32 E34.32 Genetic causes of short stature Non-Billable/Non-Specific Codes E34.321Primary insulin-like growth factor-1 (IGF-1) deficiencyE34.322Insulin-like growth factor-1 (IGF-1) resistanceE34.328Other genetic causes of short statureE34.329Unspecified genetic causes of short stature