R62.59 Other lack of expected normal physiological development in childhood

Billable ICD-10-CM code, FY2026.

Applies from R62 Lack of expected normal physiological development in childhood and adults

Excludes1 (never code together)

• delayed puberty (E30.0)
• gonadal dysgenesis (Q99.1)
• hypopituitarism (E23.0)

Applies from R62.5 Other and unspecified lack of expected normal physiological development in childhood

Excludes1 (never code together)

• HIV disease resulting in failure to thrive (B20)
• physical retardation due to malnutrition (E45)

MS-DRG index

Defines the logic of DRG(s) 640-641 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 783.40 Lack of normal physiological development, unspecified (approximate)

Diagnosis Index entries for R62.59

• Lack of › development (physiological) › specified type NEC

Nearby codes

• R62.0 Delayed milestone in childhood
• R62.5 Other and unspecified lack of expected normal physiological development in childhood
• R62.50 Unspecified lack of expected normal physiological development in childhood
• R62.51 Failure to thrive (child)
• R62.52 Short stature (child)
• R62.59 Other lack of expected normal physiological development in childhood (this code)
• R62.7 Adult failure to thrive