M27.4

Non-billable

Other and unspecified cysts of jaw

M27.4 is the ICD-10-CM code for Other and unspecified cysts of jaw. It is a non-billable category code — use a more specific child code such as M27.40 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M27
Subcodes
2
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code M27.4?
M27.4 is the ICD-10-CM code for "Other and unspecified cysts of jaw". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M27.4 a billable code?
No — M27.4 is a non-billable header code. Use a more specific child code (such as M27.40) for billing.
What are the subcodes of M27.4?
M27.4 has 2 more specific child codes, including M27.40, M27.49.
What is excluded from M27.4?
Excludes1 (not coded here): cysts of oral region (K09.-); latent bone cyst of jaw (M27.0); Stafne's cyst (M27.0).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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