MCMedicalCodingSoftware
S13.170S

S13.170S: Subluxation of C6/C7 cervical vertebrae, sequela

Billable / specific codeICD-10-CMPOA exempt

S13.170S is a billable, specific ICD-10-CM code for subluxation of c6/c7 cervical vertebrae, sequela. It is valid for submission on a claim.

Check S13.170S with the rest of the claim: free scrubber

7th character "S": sequela

The appropriate 7th character is to be added to each code from category S13

A
initial encounter
D
subsequent encounter
S
sequela

Excludes2 inherited from the categories above S13.170S

Not part of this code, but both may be coded when both are present.

Written on S13.1: Subluxation and dislocation of cervical vertebrae

Written on S13: Dislocation and sprain of joints and ligaments at neck level

  • strain of muscle or tendon at neck level (S16.1)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

S13.170S is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53058Billing and Coding: Home Health Physical Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A53065Billing and Coding: Outpatient Physical Therapy

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S13.170

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.