R05.9 Cough, unspecified
ICD-10-CM · CMS code reference
R05.9 is cough, unspecified. The R05 category was split in 2021 to separate acute, subacute, chronic, and other cough.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- paroxysmal cough due to Bordetella pertussis (A37.0-)
- smoker's cough (J41.0)
Excludes2
Not part of this code, but both can be coded when both are documented.
- cough with hemorrhage (R04.2)
Related codes
Common questions
Is R05.9 a billable code?
Yes. R05.9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.