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M27.2

Inflammatory conditions of jaws

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 13 never code together
M27.2code
Excludes2
M26-M27block
Excludes1
  • hemifacial atrophy or hypertrophy (Q67.4)Q67.4
  • unilateral condylar hyperplasia or hypoplasia (M27.8)M27.8
M00-M99chapter
Excludes2
  • arthropathic psoriasis (L40.5-)L40.5-
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • compartment syndrome (traumatic) (T79.A-)T79.A-
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 7
M27.2code
Inclusion terms
  • Osteitis of jaw(s)
  • Osteomyelitis (neonatal) jaw(s)
  • Osteoradionecrosis jaw(s)
  • Periostitis jaw(s)
  • Sequestrum of jaw bone
Use additional code
M00-M99chapter
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 12
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    • bone (subperiosteal) — see also Osteomyelitis, specified type NEC
      • jaw (lower) (upper) M27.2
    • jaw (bone) (lower) (upper) M27.2
    • malar M27.2
    • maxilla, maxillary M27.2
    • palate (soft) K12.2
  • Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
  • Necrosis, necrotic (ischemic) — see also Gangrene
  • Sequestrum
  • Disease, diseased — see also Syndrome
  • Empyema (acute) (chest) (double) (pleura) (supradiaphragmatic) (thorax) J86.9
    • maxilla, maxillary M27.2
  • Infection, infected, infective (opportunistic) B99.9
    • maxilla, maxillary M27.2
    • jaw (bone) (lower) (upper) M27.2
  • Inflammation, inflamed, inflammatory (with exudation)
    • maxilla, maxillary M27.2
    • jaw (acute) (bone) (chronic) (lower) (suppurative) (upper) M27.2
  • Osteitis — see also Osteomyelitis
    • jaw (acute) (chronic) (lower) (suppurative) (upper) M27.2
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic) — see also Osteomyelitis
    • jaw (lower) (upper) M27.2
  • Suppuration, suppurative — see also condition
    • maxilla, maxillary M27.2
  • Osteoradionecrosis, jaw (acute) (chronic) (lower) (suppurative) (upper) M27.2
Alongside this code 8 same parent — M27
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
M27
Block
M26-M27
Siblings
8

Present FY2024–FY2027.