| Full description | Unspecified lack of expected normal physiological development in childhood |
| Billable | Yes |
| Chapter | Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) |
| Section | General symptoms and signs (R50-R69) |
| Parent code | R62.5 — Oth and unsp lack of expected normal physiol dev in chldhd |