Is K05.213 a billable ICD-10-CM code?

Yes. K05.213 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K05.213 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of oral cavity and salivary glands (K00-K14).

What cannot be coded together with K05.213?

K05.213 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above K05.213 (K05.2) and apply to it just the same.

K05.213

K05.213 — Aggressive periodontitis, localized, severe

Billable / specific codeICD-10-CM

K05.213 is a billable, specific ICD-10-CM code for aggressive periodontitis, localized, severe. It is valid for submission on a claim.

Excludes1 inherited from the categories above K05.213

These are not written on K05.213, but they bind it: a note on a category applies to every code beneath it. Billing K05.213 with anything listed here is a denial.

Written on K05.2 — Aggressive periodontitis

acute apical periodontitis (K04.4)
periapical abscess (K04.7)
periapical abscess with sinus (K04.6)

Risk adjustment

K05.213 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.

How K05.213 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 K05.213.

Periodontitis›acute›localized›severe
Periodontitis›aggressive›localized›severe
Abscess›gingival›aggressive›localized›severe
Abscess›gum›aggressive›localized›severe

Code history

K05.213 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 K05.21. If K05.213 is not quite right, the correct code is usually one of these.

Questions about K05.213

Is K05.213 a billable ICD-10-CM code?: Yes. K05.213 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K05.213 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of oral cavity and salivary glands (K00-K14).
What cannot be coded together with K05.213?: K05.213 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above K05.213 (K05.2) and apply to it just the same.