ICD-10-CM > R00-R99 > R50-R69 > R62 R62 Lack of expected normal physiological development in childhood and adults Non-Billable/Non-Specific Type 1 Excludes delayed puberty (E30.0)gonadal dysgenesis (Q99.1)hypopituitarism (E23.0) Codes R62.0Delayed milestone in childhoodR62.5Other and unspecified lack of expected normal physiological development in childhoodR62.50Unspecified lack of expected normal physiological development in childhoodR62.51Failure to thrive (child)R62.52Short stature (child)R62.59Other lack of expected normal physiological development in childhoodR62.7Adult failure to thrive