2026 ICD-10-CM Diagnosis Code M27.3Alveolitis of jaws
ICD-10-CM Codes›M00–M99›M26-M27›M27
- Billable — Valid for Submission
- Not Chronic
M27.3 is a billable ICD-10-CM diagnosis code for alveolitis of jaws. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 11 through 13, 157 through 159. Coders also document this condition as acute periostitis of jaw. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Any dental condition including traumatic injury, Disorders of jaw, and Disorders of teeth and gingiva.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acute periostitis of jaw
- Acute suppurative alveolar periostitis
- Alveolar periostitis
- Alveolitis of jaw
- Alveolitis of mandible
- Alveolitis of maxilla
- Dentoalveolar cellulitis
- Periostitis of jaw
- Suppurative periostitis of jaw
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Alveolar osteitis
- Dry socket
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
jaw M27.3
sicca dolorosa M27.3
Dry, dryness See Also: condition;
socket (teeth) M27.3
Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) See Also: Necrosis; I96
alveolar M27.3
Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic) See Also: Osteomyelitis;
alveolar M27.3
alveolodental M27.3
dental M27.3
Suppuration, suppurative See Also: condition;
dental periosteum M27.3
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Jaw Injuries and Disorders
Your jaw is a set of bones that holds your teeth. It includes:
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Convert M27.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M27.3Overview
What is the ICD-10 code for alveolitis of jaws?
The ICD-10-CM code for alveolitis of jaws is M27.3 (sometimes written as M273). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is M27.3 (Other diseases of jaws) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report alveolitis of jaws on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does M27.3 group to?
When alveolitis of jaws is the principal diagnosis on an inpatient stay, it groups to MS-DRG 11, 12, 13, 157, 158, 159, with relative weights from 0.7085 to 5.4541 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of M27.3?
Under the General Equivalence Mappings, alveolitis of jaws converts to ICD-9-CM 526.5 (alveolitis of jaw). The mapping is a direct match.