S12.9XXA — Fracture of neck, unspecified, initial encounter
Is S12.9XXA billable?
Yes, but S12.9XXA is an unspecified code. S12.9XXA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S12.9XXA 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 S12.9XXA — the more specific alternatives are listed below.
More specific alternatives
- S12.01XAStable burst fracture of first cervical vertebra, initial encounter for closed fracture
- S12.14XAType III traumatic spondylolisthesis of second cervical vertebra, initial encounter for closed fracture
- S12.24XAType III traumatic spondylolisthesis of third cervical vertebra, initial encounter for closed fracture
- S12.34XAType III traumatic spondylolisthesis of fourth cervical vertebra, initial encounter for closed fracture
- S12.44XAType III traumatic spondylolisthesis of fifth cervical vertebra, initial encounter for closed fracture
- S12.54XAType III traumatic spondylolisthesis of sixth cervical vertebra, initial encounter for closed fracture
- S12.64XAType III traumatic spondylolisthesis of seventh cervical vertebra, initial encounter for closed fracture
- S12.8XXAFracture of other parts of neck, initial encounter
S12.9XXA at a glance
| Code | S12.9XXA |
|---|---|
| Description | Fracture of neck, unspecified, 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 S12.9XXA?
In S12.9XXA, the 7th character A means initial encounter. The 7th character is required for S12.9XXA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S12.9XXA group to?
S12.9XXA sits in MDC 08 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.
- 551Medical Back Problems with MCCmedical
- 552Medical Back Problems without MCCmedical
As a secondary diagnosis, S12.9XXA 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 S12.9XXA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S12.9, the nearest indexed parent of S12.9XXA. Use them to find the family, then select the specific code.
- Fracture, traumatic › neck (abduction) (adduction) (separation)
- Fracture, traumatic › neck › cervical vertebra (abduction) (adduction) (separation)
- Fracture, traumatic › vertebra, vertebral › cervical (abduction) (adduction) (separation)
Inclusion terms
Alternative wording in documentation that is classified to S12.9XXA.
- Fracture of neck NOS
- Fracture of cervical spine NOS
- Fracture of cervical vertebra NOS
Code first — inherited from S12
The underlying condition below must be sequenced before S12.9XXA. S12.9XXA describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside S12.9XXA to fully describe the condition. S12.9XXA 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 S12.9XXA, but a patient may have both at the same time. When documentation supports it, S12.9XXA and the excluded code may both be reported.
Excludes2 — not included here — inherited from S10-S19
The conditions below are not part of S12.9XXA, but a patient may have both at the same time. When documentation supports it, S12.9XXA and the excluded code may both be reported.
How long has S12.9XXA existed?
S12.9XXA 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.