S46.999D — Other injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, unspecified arm, subsequent encounter
Is S46.999D billable?
Yes, but S46.999D is an unspecified code. S46.999D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S46.999D is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S46.999D — the more specific alternatives are listed below.
More specific alternatives
- S46.001DUnspecified injury of muscle(s) and tendon(s) of the rotator cuff of right shoulder, subsequent encounter
- S46.101DUnspecified injury of muscle, fascia and tendon of long head of biceps, right arm, subsequent encounter
- S46.201DUnspecified injury of muscle, fascia and tendon of other parts of biceps, right arm, subsequent encounter
- S46.301DUnspecified injury of muscle, fascia and tendon of triceps, right arm, subsequent encounter
- S46.801DUnspecified injury of other muscles, fascia and tendons at shoulder and upper arm level, right arm, subsequent encounter
S46.999D at a glance
| Code | S46.999D |
|---|---|
| Description | Other injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, unspecified arm, 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 S46.999D?
In S46.999D, the 7th character D means subsequent encounter. The 7th character is required for S46.999D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S46.999D group to?
S46.999D 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 S46.999D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S46.99, the nearest indexed parent of S46.999D. Use them to find the family, then select the specific code.
- Injury › muscle › shoulder › specified type NEC
Use additional code — inherited from Chapter 19
Report an additional code alongside S46.999D to fully describe the condition. S46.999D 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 S46.999D, but a patient may have both at the same time. When documentation supports it, S46.999D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S40-S49
The conditions below are not part of S46.999D, but a patient may have both at the same time. When documentation supports it, S46.999D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S46
The conditions below are not part of S46.999D, but a patient may have both at the same time. When documentation supports it, S46.999D and the excluded code may both be reported.
Code also — inherited from S46
Two codes may be needed to describe the condition fully. Whether S46.999D is sequenced first depends on the reason for the encounter.
- any associated open wound (S41.-)
How long has S46.999D existed?
S46.999D 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.