Other diseases of jaws (M27) ICD-10-CM
The M27 code range covers other diseases of jaws with 20 ICD-10-CM diagnosis codes. 16 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the M27 Range 20 codes · 16 billable
- M27 Other diseases of jawsNon-billable
- M27.0 Developmental disorders of jaws
- M27.1 Giant cell granuloma, central
- M27.2 Inflammatory conditions of jaws
- M27.3 Alveolitis of jaws
- M27.4 Other and unspecified cysts of jawNon-billable
- M27.40 Unspecified cyst of jaw
- M27.49 Other cysts of jaw
- M27.5 Periradicular pathology associated with previous endodontic treatmentNon-billable
- M27.51 Perforation of root canal space due to endodontic treatment
- M27.52 Endodontic overfill
- M27.53 Endodontic underfill
- M27.59 Other periradicular pathology associated with previous endodontic treatment
- M27.6 Endosseous dental implant failureNon-billable
- M27.61 Osseointegration failure of dental implant
- M27.62 Post-osseointegration biological failure of dental implant
- M27.63 Post-osseointegration mechanical failure of dental implant
- M27.69 Other endosseous dental implant failure
- M27.8 Other specified diseases of jaws
- M27.9 Disease of jaws, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the M27 range.
Osteoradionecrosis
Necrosis of bone following radiation injury.
About the M27 Code Range
The ICD-10 code M27 covers various diseases affecting the jaws that do not fit into more common categories. This section includes developmental disorders, inflammatory conditions, cysts, complications from dental treatments like root canal therapy, and implant failures specifically related to the jaw bones.
Healthcare professionals use the ICD-10 code for other diseases of jaws (M27) to classify conditions such as developmental jaw abnormalities like exostosis of jaw or torus mandibularis (M27.0), and inflammatory jaw diseases including forms of osteomyelitis and abscesses (M27.2). The code also includes alveolitis (M27.3), various cysts of the jaw (M27.4), and complications related to previous endodontic treatment such as root canal perforations and overfills (M27.5). Additionally, failures of endosseous dental implants like osseointegration failure or mechanical breakdown are coded under M27.6. More specific disorders like giant cell granuloma (M27.1) and other specified diseases, including fibrous dysplasia or cherubism (M27.8), fall within this category. When the exact diagnosis is unclear, M27.9 is used for unspecified jaw diseases, helping coders accurately capture diverse jaw-related conditions encountered in dental and medical practice.
Questions About This Page
How many billable codes are in the M27 range?
Of the 20 codes in this range, 16 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the M27 range classify?
The range classifies other diseases of jaws. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
