S60.321A — Blister (nonthermal) of right thumb, initial encounter
Is S60.321A billable?
Yes — S60.321A is billable for FY2027. S60.321A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S60.321A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S60.321A at a glance
| Code | S60.321A |
|---|---|
| Description | Blister (nonthermal) of right thumb, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in S60.321A?
In S60.321A, the 7th character A means initial encounter. The 7th character is required for S60.321A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S60.321A group to?
S60.321A sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 606Minor Skin Disorders with MCCmedical
- 607Minor Skin Disorders without MCCmedical
How is S60.321A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S60.32, the nearest indexed parent of S60.321A. Use them to find the family, then select the specific code.
- Blister › thumb (nonthermal)
Use additional code — inherited from Chapter 19
Report an additional code alongside S60.321A to fully describe the condition. S60.321A is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S60.321A, but a patient may have both at the same time. When documentation supports it, S60.321A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S60-S69
The conditions below are not part of S60.321A, but a patient may have both at the same time. When documentation supports it, S60.321A and the excluded code may both be reported.
How long has S60.321A existed?
S60.321A has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.