U.S. ICD-10-CM · FY 2027

M27.2 ICD-10-CM Code: Inflammatory conditions of jaws

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

M27.2

Inflammatory conditions of jaws

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M27.2 sits

  1. 1

    Chapter 13

    Diseases of the musculoskeletal system and connective tissue (M00-M99)

  2. 2

    Section

    Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)

  3. 3

    Category M27

    Other diseases of jaws

  4. 4

    Code M27.2

    Inflammatory conditions of jaws

Documentation details

Notes for this code

Inclusion terms

  • Osteitis of jaw(s)
  • Osteomyelitis (neonatal) jaw(s)
  • Osteoradionecrosis jaw(s)
  • Periostitis jaw(s)
  • Sequestrum of jaw bone

Code first

No “code first” instruction is listed for M27.2.

Use additional code

  • code (W88-W90, X39.0) to identify radiation, if radiation-induced

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for M27.2.

Excludes2

Conditions not included here that may be reported separately when present.

  • osteonecrosis of jaw due to drug (M87.180)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M27.2 mean?

M27.2 is the FY 2027 U.S. ICD-10-CM code for “Inflammatory conditions of jaws.”

Is M27.2 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, M27.2 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is M27.2 located in ICD-10-CM?

M27.2 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27) (M26–M27), under category M27, Other diseases of jaws.

What coding notes are listed for M27.2?

Its listed inclusion terms are Osteitis of jaw(s); Osteomyelitis (neonatal) jaw(s); Osteoradionecrosis jaw(s); Periostitis jaw(s); Sequestrum of jaw bone. No code-first instruction is listed. Additional-code instructions: code (W88-W90, X39.0) to identify radiation, if radiation-induced. No Excludes1 note is listed. Excludes2 notes: osteonecrosis of jaw due to drug (M87.180).

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