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R62.51

✓ Billable

Failure to thrive (child)

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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Also Known As

Failure to gain weightFaltering growth

❌ Excludes1

direct

Cannot be coded with R62.51

  • • failure to thrive in child under 28 days old (P92.6)

❌ Excludes1

inherited from R62.5

Rules from parent category R62.5: Other and unspecified lack of expected normal physiological development in childhood

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

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Code Information

CodeR62.51
BillableYes
ParentR62.5
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)