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

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

Learn more ICD-10-CM code R62.50 code, including relevant clinical information, whether it’s billable, FAQs, and similar codes.

By Harriet Murray on Aug 8, 2025.

Fact Checked by Nate Lacson.

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

The R62.50 is an ICD code included in the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM), used to designate “Unspecified lack of expected normal physiological development in childhood.”

What is meant when we speak of “expected normal physiological development in childhood” is the range of changes that a person's body goes through during their childhood years. These changes involve growth in size (height, body mass, and weight), as well as the development of teeth, among others. Changes also include learning how to communicate.

In the context of this ICD-10 code, the person lacks normal physiological development expected during childhood. What they didn't develop or how much they didn't develop is not specified. However, it should be noted that if a more specific designation can be given, it should not be used as the principal diagnosis.

Is the R62.50 billable?

Yes, the R62.50 ICD-10 code is billable and can be used to designate a patient for reimbursement purposes.

R62.50 clinical information

ICD-10-CM code R62.50 is used to identify cases where there is a lack of expected normal physiological development in childhood, but the underlying cause remains unspecified. This code is typically applied when developmental delay is observed—such as failure to reach expected physical, cognitive, or behavioral milestones—but a definitive diagnosis has not yet been established.

This may include issues like delayed puberty, absence of motor or language milestones, or generalized physical retardation. Children may present with feeding difficulties, poor weight gain, or lack of growth, which may also prompt concern over developmental disorders or early signs of systemic conditions such as HIV disease. Some children may also exhibit general symptoms, such as fatigue, poor appetite, or irritability, which can further complicate the clinical picture.

In such cases, laboratory findings and developmental assessments are crucial in helping to guide the diagnosis. Referral to specialists, such as developmental pediatricians or those offering occupational therapy, may be necessary for a more comprehensive evaluation and intervention plan.

If the root cause of the developmental concerns is identified, it is recommended to use a more specific ICD-10-CM code that accurately reflects the diagnosis, rather than continuing with the unspecified R62.50 designation.

R62.50 synonyms include

  • Altered growth and development
  • Body growth problem
  • Body weight AND/OR growth problem
  • Child developmental finding
  • Childhood growth AND/OR development alteration
  • Delay in physiological development
  • Delayed growth and development
  • Physiological development failure
  • Problem of growth and development

Other ICD-10 codes commonly used for physiological development-related problems in children

  • 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
  • R62.51 - Failure to thrive (child)
  • R62.52 - Short stature (child)
  • R62.59 - Other lack of expected normal physiological development in childhood

Commonly asked questions

Yes, this ICD-10 code is billable.

You use it when your patient is confirmed to have an unspecified lack of expected normal physiological development in childhood, meaning you know they have a physiological development issue or disorder, but you don’t know what it is specifically as of now.

That depends on what the specific problem is. If a specific problem is detected, a more specific ICD-10 code should be used. Treatment might involve nutrition, physical therapy, medication, occupational therapy, speech therapy, etc.

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