ICD-10-CM 2027
ICD-10 code for Stammering
From the official ICD-10-CM alphabetic index entry “Stammering”. Page updated September 29, 2026.
About coding Stammering
The ICD-10-CM code for Stammering is F80.81 (Childhood onset fluency disorder).
Within F80.8 (other developmental disorders of speech and language), F80.81 is specifically for childhood onset fluency disorder. Related codes cover social pragmatic communication disorder (F80.82) and other developmental disorders of speech and language (F80.89).
Don't report F80.81 together with the conditions in its Excludes1 note: adult onset fluency disorder (F98.5), fluency disorder in conditions classified elsewhere (R47.82) and fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23).
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 F80.81)
Common questions about Stammering ICD-10 codes
What is the ICD-10 code for Stammering?
- F80.81 — Childhood onset fluency disorder.
Is F80.81 billable?
- Yes. F80.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can F80.81 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict F80.81 as a principal diagnosis.
Is F80.81 a CC or MCC?
- No. F80.81 is neither a CC nor an MCC under MS-DRG v44.0.