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

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

Where does T79.1XXD 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 T79.1XXD?

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

T79.1XXD

T79.1XXD — Fat embolism (traumatic), subsequent encounter

Billable / specific codeICD-10-CMPOA exempt

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

T79.1XXD 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

T79.1XXD is named in 10 Medicare coverage policies — 10 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
A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56612Billing and Coding: CT of the Head

Related codes at this level

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

Questions about T79.1XXD

Is T79.1XXD a billable ICD-10-CM code?: Yes. T79.1XXD is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T79.1XXD 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 T79.1XXD?: T79.1XXD carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.