Is A46 a billable ICD-10-CM code?

Yes. A46 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does A46 sit in the tabular list?

Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).

What cannot be coded together with A46?

A46 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

A46

A46 — Erysipelas

Billable / specific codeICD-10-CM

A46 is a billable, specific ICD-10-CM code for erysipelas. It is valid for submission on a claim.

Excludes1 — never code together

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

postpartum or puerperal erysipelas (O86.89)

Risk adjustment

A46 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

A46 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57221Billing and Coding: Plastic Surgery

How A46 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A46.

Erysipelas(gangrenous) (infantile) (newborn) (phlegmonous) (suppurative)
Erysipelas›external ear
Arthritis, arthritic›due to or associated with›erysipelas
Otitis›externa›in›erysipelas

Questions about A46

Is A46 a billable ICD-10-CM code?: Yes. A46 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A46 sit in the tabular list?: Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).
What cannot be coded together with A46?: A46 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.