ICD-10-CM 2027
ICD-10 code for Faltering growth
From the official ICD-10-CM alphabetic index entry “Faltering growth”. Page updated September 29, 2026.
About coding Faltering growth
The ICD-10-CM code for Faltering growth is R62.51 (Failure to thrive (child)).
Within R62.5 (other and unspecified lack of expected normal physiological development in childhood), R62.51 is specifically for failure to thrive (child). Related codes cover unspecified lack of expected normal physiological development in childhood (R62.50), short stature (child) (R62.52) and other lack of expected normal physiological development in childhood (R62.59).
Don't report R62.51 together with the conditions in its Excludes1 note: failure to thrive in child under 28 days old (P92.6).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for R62.51)
- failure to thrive in child under 28 days old (P92.6)
Common questions about Faltering growth ICD-10 codes
What is the ICD-10 code for Faltering growth?
- R62.51 — Failure to thrive (child).
Is R62.51 billable?
- Yes. R62.51 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R62.51 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R62.51 as a principal diagnosis.
Is R62.51 a CC or MCC?
- No. R62.51 is neither a CC nor an MCC under MS-DRG v44.0.