S33.131D — Dislocation of L3/L4 lumbar vertebra, subsequent encounter
Is S33.131D billable?
Yes — S33.131D is billable for FY2027. S33.131D is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S33.131D may be submitted for encounters from October 1, 2026 through September 30, 2027.
S33.131D at a glance
| Code | S33.131D |
|---|---|
| Description | Dislocation of L3/L4 lumbar vertebra, 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 S33.131D?
In S33.131D, the 7th character D means subsequent encounter. The 7th character is required for S33.131D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S33.131D group to?
S33.131D 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 S33.131D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S33.131, the nearest indexed parent of S33.131D. Use them to find the family, then select the specific code.
- Dislocation › vertebra › lumbar › joint between › L3 and L4 (articular)
Excludes1 — never code together — inherited from S33
The conditions below can never be reported together with S33.131D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S33.131D to fully describe the condition. S33.131D 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 S33.131D, but a patient may have both at the same time. When documentation supports it, S33.131D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S33.131D, but a patient may have both at the same time. When documentation supports it, S33.131D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S33
The conditions below are not part of S33.131D, but a patient may have both at the same time. When documentation supports it, S33.131D and the excluded code may both be reported.
Excludes2 — not included here — inherited from S33.1
The conditions below are not part of S33.131D, but a patient may have both at the same time. When documentation supports it, S33.131D and the excluded code may both be reported.
- fracture of lumbar vertebrae (S32.0-)
Code also — inherited from S33
Two codes may be needed to describe the condition fully. Whether S33.131D is sequenced first depends on the reason for the encounter.
- any associated open wound
Code also — inherited from S33.1
Two codes may be needed to describe the condition fully. Whether S33.131D is sequenced first depends on the reason for the encounter.
How long has S33.131D existed?
S33.131D 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.