Is T79.1XXS a billable ICD-10-CM code?

Yes. T79.1XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does T79.1XXS sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Certain early complications of trauma (T79).

What cannot be coded together with T79.1XXS?

T79.1XXS carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

T79.1XXS

T79.1XXS — Fat embolism (traumatic), sequela

Billable / specific codeICD-10-CMPOA exempt

T79.1XXS is a billable, specific ICD-10-CM code for fat embolism (traumatic), 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 T79

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

fat embolism complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.2)
pregnancy, childbirth and the puerperium (O88.8)

Risk adjustment

T79.1XXS 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

T79.1XXS is named in 12 Medicare coverage policies — 12 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53057Billing and Coding: Home Health Occupational Therapy
A53058Billing and Coding: Home Health Physical Therapy
A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
A53064Billing and Coding: Outpatient Occupational Therapy

Related codes at this level

Codes that share T79.1. If T79.1XXS is not quite right, the correct code is usually one of these.

Questions about T79.1XXS

Is T79.1XXS a billable ICD-10-CM code?: Yes. T79.1XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T79.1XXS sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Certain early complications of trauma (T79).
What cannot be coded together with T79.1XXS?: T79.1XXS carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.