M27.49 – Other cysts of jaw

ICD-10-CM 2027 diagnosis code · Dentofacial anomalies [including malocclusion] and other disorders of jaw

Billable code

ICD-10-CM code M27.49

Code: M27.49 (claims format: M2749)
Description: Other cysts of jaw
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw
Parent codes: M27 › M27.4

Notes for M27.49

Applicable to:

Aneurysmal cyst of jaw
Hemorrhagic cyst of jaw
Traumatic cyst of jaw

Notes inherited from parent codes

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

M27.4 – Other and unspecified cysts of jaw

Excludes1 (not coded here):

cysts of oral region (K09.-)
latent bone cyst of jaw (M27.0)
Stafne's cyst (M27.0)

Block M26-M27

Excludes1 (not coded here):

hemifacial atrophy or hypertrophy (Q67.4)
unilateral condylar hyperplasia or hypoplasia (M27.8)

Index terms for M27.49

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

Related codes in M27.4

M27.40 – Unspecified cyst of jawBillable

Frequently asked questions

What is ICD-10 code M27.49?

M27.49 is the ICD-10-CM code for other cysts of jaw, in the block M26-M27 (Dentofacial anomalies [including malocclusion] and other disorders of jaw).

Is M27.49 a billable code?

Yes. M27.49 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does M27.49 belong to?

It belongs to category M27 – Other diseases of jaws.

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.