MCMCB Pro
T17.298S

T17.298SOther foreign object in pharynx causing other injury, sequela

Billable / specific codeICD-10-CMPOA exempt

T17.298S is a billable, specific ICD-10-CM code for other foreign object in pharynx causing other injury, sequela. It is valid for submission on a claim.

7th character "S" — sequela

The appropriate 7th character is to be added to each code from category T17

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

T17.298S 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

T17.298S is named in 3 Medicare coverage policies 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56621Billing and Coding: Swallowing Studies for Dysphagia
  • A56621Billing and Coding: Swallowing Studies for Dysphagia
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck

Code history

T17.298S 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 T17.298. If T17.298S is not quite right, the correct code is usually one of these.

Questions about T17.298S

Is T17.298S a billable ICD-10-CM code?
Yes. T17.298S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T17.298S sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Effects of foreign body entering through natural orifice (T15-T19).
ICD-10-CMFY2026-Apr· effective April 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.