K05.222 – Aggressive periodontitis, generalized, moderate

ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands

Billable code

ICD-10-CM code K05.222

Code: K05.222 (claims format: K05222)
Description: Aggressive periodontitis, generalized, moderate
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K00-K14 Diseases of oral cavity and salivary glands
Parent codes: K05 › K05.2 › K05.22

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K05 – Gingivitis and periodontal diseases

Use additional code:

code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

K05.2 – Aggressive periodontitis

Applicable to:

Acute pericoronitis

Excludes1 (not coded here):

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

Index terms for K05.222

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K05.22

Frequently asked questions

What is ICD-10 code K05.222?

K05.222 is the ICD-10-CM code for aggressive periodontitis, generalized, moderate, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K05.222 a billable code?

Yes. K05.222 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K05.222 belong to?

It belongs to category K05 – Gingivitis and periodontal diseases.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.