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

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

Where does T79.1XXA 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 T79.1XXA?

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

T79.1XXA

T79.1XXA — Fat embolism (traumatic), initial encounter

Billable / specific codeICD-10-CM

T79.1XXA is a billable, specific ICD-10-CM code for fat embolism (traumatic), initial encounter. It is valid for submission on a claim.

7th character "A" — initial 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

T79.1XXA risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 267 Deep Vein Thrombosis and Pulmonary Embolism0.294 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

T79.1XXA 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.

A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56612Billing and Coding: CT of the Head
A56625Billing and Coding: Echocardiography

Related codes at this level

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

Questions about T79.1XXA

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