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.
- diabetic (peripheral) angiopathy (E08-E13 with .51-.52)
Excludes2
Not part of this code, but both can be coded when both are documented.
- chilblains (T69.1)
- frostbite (T33-T34)
- immersion hand or foot (T69.0-)
- spasm of cerebral artery (G45.9)
Related codes
Common questions
Is I73.81 a billable code?
Yes. I73.81 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.