ICD-10 R62.51
Billable / SpecificFailure to thrive (child)
About ICD-10-CM R62.51
ICD-10-CM code R62.51 represents Failure to thrive (child). This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R62). The 2026 edition of ICD-10-CM R62.51 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R62.51. Per CMS ICD-10-CM Tabular 2026.
- Failure to gain weight
- Faltering growth
Type 1 Excludes
Pure excludes, these codes can never be coded together with R62.51. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- failure to thrive in child under 28 days old (P92.6)
Medicare LCD Coverage for R62.51
Local Coverage Determinations (LCDs) from CMS MACs that list R62.51 as a covered diagnosis.
Showing top 2. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R62.51.
1 Cigna
1 Medicare
CPT Codes Commonly Billed with R62.51
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert R62.51 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R62.51 | 78341 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R62.51
Other codes in section R50-R69 (General symptoms and signs).
ICD-10 R62.51, Billing FAQ
Is ICD-10 code R62.51 billable? +
Yes, R62.51 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to R62.51? +
ICD-10 R62.51 includes: Failure to gain weight; Faltering growth.
What codes are Type 1 Excludes for R62.51? +
Type 1 Excludes (never code together with R62.51): failure to thrive in child under 28 days old (P92.6)
What ICD-9 codes does R62.51 map to? +
Per CMS GEMs, R62.51 maps to ICD-9 codes: 78341. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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