S02.101A — Fracture of base of skull, right side, initial encounter for closed fracture
Is S02.101A billable?
Yes — S02.101A is billable for FY2027. S02.101A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S02.101A may be submitted for encounters from October 1, 2026 through September 30, 2027.
S02.101A at a glance
| Code | S02.101A |
|---|---|
| Description | Fracture of base of skull, right side, initial encounter for closed fracture |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter for closed fracture |
What does the 7th character "A" mean in S02.101A?
In S02.101A, the 7th character A means initial encounter for closed fracture. The 7th character is required for S02.101A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S02.101A group to?
S02.101A 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.
- 082Traumatic Stupor and Coma >1 Hour with MCCmedical
- 083Traumatic Stupor and Coma >1 Hour with CCmedical
- 084Traumatic Stupor and Coma >1 Hour without CC/MCCmedical
As a secondary diagnosis, S02.101A is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG. It also carries Hospital-Acquired Condition category 05.
How is S02.101A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S02.10, the nearest indexed parent of S02.101A. Use them to find the family, then select the specific code.
- Fracture, traumatic › skull › base (abduction) (adduction) (separation)
Use additional code — inherited from Chapter 19
Report an additional code alongside S02.101A to fully describe the condition. S02.101A 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 S02.101A, but a patient may have both at the same time. When documentation supports it, S02.101A and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S02.101A, but a patient may have both at the same time. When documentation supports it, S02.101A 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 S02.1
The conditions below are not part of S02.101A, but a patient may have both at the same time. When documentation supports it, S02.101A and the excluded code may both be reported.
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S02.101A 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 S02.101A is sequenced first depends on the reason for the encounter.
- any associated intracranial injury (S06.-)
How long has S02.101A existed?
S02.101A 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.