S93.521D — Sprain of metatarsophalangeal joint of right great toe, subsequent encounter
Is S93.521D billable?
Yes — S93.521D is billable for FY2027. S93.521D is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S93.521D may be submitted for encounters from October 1, 2026 through September 30, 2027.
S93.521D at a glance
| Code | S93.521D |
|---|---|
| Description | Sprain of metatarsophalangeal joint of right great toe, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in S93.521D?
In S93.521D, the 7th character D means subsequent encounter. The 7th character is required for S93.521D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S93.521D group to?
S93.521D sits in MDC 23 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.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is S93.521D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S93.52, the nearest indexed parent of S93.521D. Use them to find the family, then select the specific code.
- Sprain › toe › metatarsophalangeal joint (joint) (ligament)
- Sprain › toe › metatarsophalangeal joint › great (joint) (ligament)
- Sprain › toe › metatarsophalangeal joint › lesser (joint) (ligament)
Use additional code — inherited from Chapter 19
Report an additional code alongside S93.521D to fully describe the condition. S93.521D 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 S93.521D, but a patient may have both at the same time. When documentation supports it, S93.521D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S90-S99
The conditions below are not part of S93.521D, but a patient may have both at the same time. When documentation supports it, S93.521D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S93
The conditions below are not part of S93.521D, but a patient may have both at the same time. When documentation supports it, S93.521D and the excluded code may both be reported.
- strain of muscle and tendon of ankle and foot (S96.-)
Code also — inherited from S93
Two codes may be needed to describe the condition fully. Whether S93.521D is sequenced first depends on the reason for the encounter.
- any associated open wound
How long has S93.521D existed?
S93.521D 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.