R62.50 Unspecified lack of expected normal physiological development in childhood

Billable ICD-10-CM code, FY2026.

Applicable to

• Infantilism NOS

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 R62.50

• Arrest, arrested › development or growth › child
• Delay, delayed › development
• Delay, delayed › development › physiological
• Development › arrested
• Development › arrested › child
• Development › delayed
• Inadequate, inadequacy › development › child
• Lack of › development (physiological)
• Retardation › growth
• Symptoms NEC › involving › development NEC

Nearby codes

• R62 Lack of expected normal physiological development in childhood and adults
• 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 (this code)
• R62.51 Failure to thrive (child)
• R62.52 Short stature (child)
• R62.59 Other lack of expected normal physiological development in childhood
• R62.7 Adult failure to thrive