2026 ICD-10-CM Diagnosis Code S14.146SBrown-Sequard syndrome at C6 level of cervical spinal cord, sequela

ICD-10-CM Codes›S00–T88›S10-S19›S14

ICD-10-CM S14.146S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S14.146S is a billable ICD-10-CM diagnosis code for Brown-Sequard syndrome at C6 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 2026 (October 1, 2025 through September 30, 2026). The code is exempt from POA reporting. Coders also document this condition as Brown-Sequard syndrome at C6 level. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S14.146S
Billable Status
Yes — Valid for Submission
Code Describes
Brown-Sequard syndrome at C6 level of cervical spinal cord, sequela
Short Description
Brown-Sequard syndrome at C6, sequela
Parent Code
S14.146
Brown-Sequard syndrome at C6 level of cervical spinal cord

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS10-S19Injuries to the neck
CategoryS14Injury of nerves and spinal cord at neck level
This CodeS14.146SBrown-Sequard syndrome at C6 level of cervical spinal cord, sequela

Present on Admission (POA)Billing

S14.146S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Brown-Sequard syndrome at C6 level
  • Brown-Sequard syndrome of cervical spinal cord

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 2026, published by CMS and the National Center for Health Statistics.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ073
Injury, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

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 S14.146S to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
907.2 Late eff spinal cord inj
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S14.146SOverview

Is S14.146S (Brown-Sequard syndrome at C6 level of cervical spinal cord) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report Brown-Sequard syndrome at C6 level of cervical spinal cord, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in S14.146S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the Brown-Sequard syndrome at C6 level of cervical spinal cord itself has resolved, not the original event.

Is S14.146S 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 Brown-Sequard syndrome at C6 level of cervical spinal cord, sequela on inpatient claims.

What is the ICD-9 equivalent of S14.146S?

Under the General Equivalence Mappings, Brown-Sequard syndrome at C6 level of cervical spinal cord, sequela converts to ICD-9-CM 907.2 (late eff spinal cord inj). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.