S84.801S — Injury of other nerves at lower leg level, right leg, sequela
Is S84.801S billable?
Yes — S84.801S is billable for FY2027. S84.801S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S84.801S may be submitted for encounters from October 1, 2026 through September 30, 2027.
S84.801S at a glance
| Code | S84.801S |
|---|---|
| Description | Injury of other nerves at lower leg level, right leg, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S84.801S?
In S84.801S, the 7th character S means sequela. The 7th character is required for S84.801S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S84.801S group to?
S84.801S sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 091Other Disorders of Nervous System with MCCmedical
- 092Other Disorders of Nervous System with CCmedical
- 093Other Disorders of Nervous System without CC/MCCmedical
Use additional code — inherited from Chapter 19
Report an additional code alongside S84.801S to fully describe the condition. S84.801S 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 S84.801S, but a patient may have both at the same time. When documentation supports it, S84.801S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S80-S89
The conditions below are not part of S84.801S, but a patient may have both at the same time. When documentation supports it, S84.801S and the excluded code may both be reported.
Excludes2 — not included here — inherited from S84
The conditions below are not part of S84.801S, but a patient may have both at the same time. When documentation supports it, S84.801S and the excluded code may both be reported.
- injury of nerves at ankle and foot level (S94.-)
Code also — inherited from S84
Two codes may be needed to describe the condition fully. Whether S84.801S is sequenced first depends on the reason for the encounter.
- any associated open wound (S81.-)
How long has S84.801S existed?
S84.801S 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.