K09.0 – Developmental odontogenic cysts

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

Billable code

ICD-10-CM code K09.0
Code
K09.0 (claims format: K090)
Description
Developmental odontogenic cysts
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
K09

Notes for K09.0

Applicable to:
  • Dentigerous cyst
  • Eruption cyst
  • Follicular cyst
  • Gingival cyst
  • Lateral periodontal cyst
  • Primordial cyst
Excludes2 (not included here):

Notes inherited from parent codes

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

K09 – Cysts of oral region, not elsewhere classified

Includes:
  • lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excludes2 (not included here):

Index terms for K09.0

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

Related codes in K09

Frequently asked questions

What is ICD-10 code K09.0?

K09.0 is the ICD-10-CM code for developmental odontogenic cysts, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K09.0 a billable code?

Yes. K09.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K09.0 belong to?

It belongs to category K09 – Cysts of oral region, not elsewhere classified.

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.