S03.43XA — Sprain of jaw, bilateral, initial encounter
Is S03.43XA billable?
Yes — S03.43XA is billable for FY2027. S03.43XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S03.43XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
S03.43XA at a glance
| Code | S03.43XA |
|---|---|
| Description | Sprain of jaw, bilateral, 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 S03.43XA?
In S03.43XA, the 7th character A means initial encounter. The 7th character is required for S03.43XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S03.43XA group to?
S03.43XA sits in MDC 03 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.
- 157Dental and Oral Diseases with MCCmedical
- 158Dental and Oral Diseases with CCmedical
- 159Dental and Oral Diseases without CC/MCCmedical
How is S03.43XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S03.4, the nearest indexed parent of S03.43XA. Use them to find the family, then select the specific code.
- Sprain › jaw (joint) (ligament)
- Sprain › mandible (joint) (ligament)
- Sprain › temporomandibular (joint) (ligament)
- Sprain › meniscus › jaw (joint) (ligament)
- Sprain › meniscus › mandible (joint) (ligament)
- Sprain › symphysis › jaw (joint) (ligament)
- Sprain › symphysis › mandibular (joint) (ligament)
Use additional code — inherited from Chapter 19
Report an additional code alongside S03.43XA to fully describe the condition. S03.43XA 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 S03.43XA, but a patient may have both at the same time. When documentation supports it, S03.43XA and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S03.43XA, but a patient may have both at the same time. When documentation supports it, S03.43XA and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Excludes2 — not included here — inherited from S03
The conditions below are not part of S03.43XA, but a patient may have both at the same time. When documentation supports it, S03.43XA and the excluded code may both be reported.
- Strain of muscle or tendon of head (S09.1)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S03.43XA is sequenced first depends on the reason for the encounter.
- for any associated infection
Code also — inherited from S03
Two codes may be needed to describe the condition fully. Whether S03.43XA is sequenced first depends on the reason for the encounter.
- any associated open wound
How long has S03.43XA existed?
S03.43XA first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.