2027 ICD-10-CM Diagnosis Code S14.118SComplete lesion at C8 level of cervical spinal cord, sequela
S14.118S is a billable ICD-10-CM diagnosis code for complete lesion at C8 level of cervical spinal cord, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 52 through 53. The code is exempt from POA reporting. Coders also document this condition as complete lesion of cervical spinal cord. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.
For Medicare Advantage risk adjustment, S14.118S maps to CMS-HCC Category 180 (Quadriplegia) under the V28 model, adding a risk factor of about 1.125 for a community, non-dual, aged beneficiary in payment year 2027.
Code Identity
Code Classification
Present on Admission (POA)Billing
S14.118S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the neck (S10-S19).
Medicare Risk Adjustment (HCC)Billing
S14.118S maps to a payment category in the CMS-HCC model used to risk-adjust Medicare Advantage payments. Weights are the published community factors for payment year 2027.
Source: CMS Payment Year 2027 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Complete lesion of cervical spinal cord
- Complete lesion of cervical spinal cord at C8 level
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Injury of nerves and spinal cord at neck level (S14). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to S14.118S: its own notes plus those printed at S14, block S10-S19, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- injuries of nape
- injuries of supraclavicular region
- injuries of throat
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code to identify any retained foreign body, if applicable (Z18.-)
Code Also
A second code may be needed to fully describe the condition; the note gives no sequencing direction.
Notes
General instructions on how these codes are used.
- Code to highest level of cervical cord injury
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
7th Character
Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.
- The appropriate 7th character is to be added to each code from category S14
- Ainitial encounter
- Dsubsequent encounter
- Ssequela this code
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name S14.118S, its category, or a range that includes it.
Excludes1 1
These codes carry an Excludes1 note naming S14.118S: they are not reported together with it, unless the two conditions are unrelated.
Code First 2
These codes say to code first a condition named in the note, and S14.118S is one of the conditions named.
Use Additional Code 1
These codes say to use an additional code from the note, and S14.118S is one of the codes named.
Code Also 2
These codes say S14.118S may also be needed to fully describe the condition. The note gives no sequencing direction.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Neck Injuries and Disorders
Any part of your neck - muscles, bones, joints, tendons, ligaments, or nerves - can cause neck problems. Neck pain is very common. Pain may also come from your shoulder, jaw, head, or upper arms.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert S14.118S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S14.118SOverview
What is the ICD-10 code for complete lesion at C8 level of cervical spinal cord, sequela?
The ICD-10-CM code for complete lesion at C8 level of cervical spinal cord, sequela is S14.118S (sometimes written as S14118S). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is S14.118S (Complete lesion at C8 level of cervical spinal cord) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report complete lesion at C8 level of cervical spinal cord, sequela on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What does the 7th character S in S14.118S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the complete lesion at C8 level of cervical spinal cord itself has resolved, not the original event.
What MS-DRG does S14.118S group to?
When complete lesion at C8 level of cervical spinal cord, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 53, 52, with relative weights from 0.9723 to 1.7843 depending on complications. Higher weights mean higher Medicare reimbursement.
Is S14.118S exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for complete lesion at C8 level of cervical spinal cord, sequela on inpatient claims. The code appears in the Injuries to the neck (S10-S19) range of the CMS exempt list.
What HCC is S14.118S?
S14.118S (complete lesion at C8 level of cervical spinal cord, sequela) maps to CMS-HCC Category 180 (Quadriplegia), commonly written as HCC 180, in the CMS-HCC V28 model used for Medicare Advantage risk adjustment in payment year 2027. It mapped to HCC 70 under the retired V24 model. It also maps in the PACE (CMS-HCC V22), ESRD (V21), and ESRD (V24) models. It does not map to any RxHCC in the Part D prescription drug model.
Does S14.118S risk-adjust for Medicare Advantage payment?
Yes. When documented and reported on a Medicare Advantage encounter, S14.118S adds a risk adjustment factor of about 1.125 to the beneficiary's RAF score for a community, non-dual, aged enrollee (published V28 weights range from 0.735 to 1.399 depending on the payment segment). A more severe related category (HCC 191 and HCC 192) supersedes it when both are reported. See the full factor table on the HCC 180 category page.
