S16.1XXD — Strain of muscle, fascia and tendon at neck level, subsequent encounter
S16.1XXD is a billable, specific ICD-10-CM code for strain of muscle, fascia and tendon at neck level, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to each code from category S16
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2 inherited from the categories above S16.1XXD
Also inherited, and the opposite of Excludes1: these conditions are not part of S16.1XXD, but a patient can have both, so you may code both.
Risk adjustment
S16.1XXD does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
S16.1XXD is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53058Billing and Coding: Home Health Physical Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A57079Billing and Coding: Injections - Tendon, Ligament, Ganglion Cyst, Tunnel Syndromes and Morton's Neuroma
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Code history
S16.1XXD has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share S16.1. If S16.1XXD is not quite right, the correct code is usually one of these.
Questions about S16.1XXD
- Is S16.1XXD a billable ICD-10-CM code?
- Yes. S16.1XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S16.1XXD sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the neck (S10-S19).