Is S90.821 a billable code?
No. S90.821 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
S90.821: Blister (nonthermal), right foot
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
S90.821 groups related diagnoses under blister (nonthermal), right foot. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under S90.821
- S90.821ABlister (nonthermal), right foot, initial encounter
- S90.821DBlister (nonthermal), right foot, subsequent encounter
- S90.821SBlister (nonthermal), right foot, sequela
Other codes in S90.82 Blister (nonthermal) of foot
S90.821 questions
What does S90.821 mean?
S90.821 is the ICD-10-CM code for Blister (nonthermal), right foot. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.