S02.641K — Fracture of ramus of right mandible, subsequent encounter for fracture with nonunion
Is S02.641K billable?
Yes — S02.641K is billable for FY2027. S02.641K is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S02.641K may be submitted for encounters from October 1, 2026 through September 30, 2027.
S02.641K at a glance
| Code | S02.641K |
|---|---|
| Description | Fracture of ramus of right mandible, subsequent encounter for fracture with nonunion |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "K" | subsequent encounter for fracture with nonunion |
What does the 7th character "K" mean in S02.641K?
In S02.641K, the 7th character K means subsequent encounter for fracture with nonunion. The 7th character is required for S02.641K to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S02.641K group to?
S02.641K sits in MDC 08 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.
- 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
- 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
- 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical
As a secondary diagnosis, S02.641K is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is S02.641K listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S02.64, the nearest indexed parent of S02.641K. Use them to find the family, then select the specific code.
- Fracture, traumatic › mandible › ramus, unspecified (abduction) (adduction) (separation)
Use additional code — inherited from Chapter 19
Report an additional code alongside S02.641K to fully describe the condition. S02.641K 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 S02.641K, but a patient may have both at the same time. When documentation supports it, S02.641K and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S02.641K, but a patient may have both at the same time. When documentation supports it, S02.641K 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)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S02.641K is sequenced first depends on the reason for the encounter.
- for any associated infection
Code also — inherited from S02
Two codes may be needed to describe the condition fully. Whether S02.641K is sequenced first depends on the reason for the encounter.
- any associated intracranial injury (S06.-)
How long has S02.641K existed?
S02.641K 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.