DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

M27 Other diseases of jaws

  • Header · not billable

M27 is not billable. The category heads 16 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
  3. M27 Other diseases of jaws
Billable codes
16
Subdivisions
9
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
104

Codes in M27

  1. M27.0
    Developmental disorders of jaws
    Billable
    Inclusion terms 4

    Inclusion terms

    • Latent bone cyst of jaw
    • Stafne's cyst
    • Torus mandibularis
    • Torus palatinus
  2. M27.1
    Giant cell granuloma, central
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Giant cell granuloma NOS

    Excludes1

    • peripheral giant cell granuloma (K06.8) K06.8
  3. M27.2
    Inflammatory conditions of jaws
    Billable
    Inclusion terms 5, Excludes2 1, Use additional code 1

    Inclusion terms

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

    Excludes2

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

    Use additional code

    • code (W88-W90, X39.0) to identify radiation, if radiation-induced W88 W90 X39.0
  4. M27.3
    Alveolitis of jaws
    Billable
    Inclusion terms 2

    Inclusion terms

    • Alveolar osteitis
    • Dry socket
  5. M27.4
    Other and unspecified cysts of jaw
    Header
    Excludes1 3

    Excludes1

    • cysts of oral region (K09.-) K09
    • latent bone cyst of jaw (M27.0) M27.0
    • Stafne's cyst (M27.0) M27.0
  6. M27.40
    Unspecified cyst of jaw
    Billable
    Inclusion terms 1

    Inclusion terms

    • Cyst of jaw NOS
  7. M27.49
    Other cysts of jaw
    Billable
    Inclusion terms 3

    Inclusion terms

    • Aneurysmal cyst of jaw
    • Hemorrhagic cyst of jaw
    • Traumatic cyst of jaw
  8. M27.5
    Periradicular pathology associated with previous endodontic treatment
    Header
  9. M27.51
    Perforation of root canal space due to endodontic treatment
    Billable
  10. M27.52
    Endodontic overfill
    Billable
  11. M27.53
    Endodontic underfill
    Billable
  12. M27.59
    Other periradicular pathology associated with previous endodontic treatment
    Billable
  13. M27.6
    Endosseous dental implant failure
    Header
  14. M27.61
    Osseointegration failure of dental implant
    Billable
    Inclusion terms 6

    Inclusion terms

    • Hemorrhagic complications of dental implant placement
    • Iatrogenic osseointegration failure of dental implant
    • Osseointegration failure of dental implant due to complications of systemic disease
    • Osseointegration failure of dental implant due to poor bone quality
    • Pre-integration failure of dental implant NOS
    • Pre-osseointegration failure of dental implant
  15. M27.62
    Post-osseointegration biological failure of dental implant
    Billable
    Inclusion terms 7

    Inclusion terms

    • Failure of dental implant due to lack of attached gingiva
    • Failure of dental implant due to occlusal trauma (caused by poor prosthetic design)
    • Failure of dental implant due to parafunctional habits
    • Failure of dental implant due to periodontal infection (peri-implantitis)
    • Failure of dental implant due to poor oral hygiene
    • Iatrogenic post-osseointegration failure of dental implant
    • Post-osseointegration failure of dental implant due to complications of systemic disease
  16. M27.63
    Post-osseointegration mechanical failure of dental implant
    Billable
    Inclusion terms 2, Excludes2 4

    Inclusion terms

    • Failure of dental prosthesis causing loss of dental implant
    • Fracture of dental implant

    Excludes2

    • cracked tooth (K03.81) K03.81
    • fractured dental restorative material with loss of material (K08.531) K08.531
    • fractured dental restorative material without loss of material (K08.530) K08.530
    • fractured tooth (S02.5) S02.5
  17. M27.69
    Other endosseous dental implant failure
    Billable
    Inclusion terms 1

    Inclusion terms

    • Dental implant failure NOS
  18. M27.8
    Other specified diseases of jaws
    Billable
    Inclusion terms 5, Excludes1 1

    Inclusion terms

    • Cherubism
    • Exostosis
    • Fibrous dysplasia
    • Unilateral condylar hyperplasia
    • Unilateral condylar hypoplasia

    Excludes1

  19. M27.9
    Disease of jaws, unspecified
    Billable

Sources of each column.

Instructions

Notes that also apply

Block M26-M27 instructions (Excludes1 2): printed on the block page.

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.

Index entries

  • Stafne's cyst or cavity → M27.0
  • Torus (mandibularis) (palatinus) → M27.0
  • Osteoradionecrosis, jaw (acute) (chronic) (lower) (suppurative) (upper) → M27.2
  • Overfill, endodontic → M27.52
  • Underfill, endodontic → M27.53
  • Cherubism → M27.8
  • Enostosis → M27.8
  • Cyst (colloid) (mucous) (simple) (retention)Stafne's → M27.0
  • Disorder (of)jaw, developmental → M27.0
  • Granulomagiant cell (central) (reparative) (jaw) → M27.1
  • Granulomajaw (bone) (central) → M27.1
  • Granulomamandible (central) → M27.1
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)jaw (bone) (lower) (upper) → M27.2
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)malar → M27.2
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)maxilla, maxillary → M27.2
  • Disease, diseasedMagitot's → M27.2
  • Empyema (acute) (chest) (double) (pleura) (supradiaphragmatic) (thorax)maxilla, maxillary → M27.2
  • Infection, infected, infective (opportunistic)jaw (bone) (lower) (upper) → M27.2
  • Infection, infected, infective (opportunistic)maxilla, maxillary → M27.2
  • Inflammation, inflamed, inflammatory (with exudation)jaw (acute) (bone) (chronic) (lower) (suppurative) (upper) → M27.2
  • Inflammation, inflamed, inflammatory (with exudation)maxilla, maxillary → M27.2
  • Necrosis, necrotic (ischemic)jaw → M27.2
  • Osteitisjaw (acute) (chronic) (lower) (suppurative) (upper) → M27.2
  • Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis)jaw (acute) (chronic) (lower) (neonatal) (suppurative) (upper) → M27.2
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic)jaw (lower) (upper) → M27.2
  • Sequestrumdental → M27.2
  • Sequestrumjaw bone → M27.2
  • Suppuration, suppurativemaxilla, maxillary → M27.2
  • Alveolitisjaw → M27.3
  • Alveolitissicca dolorosa → M27.3
  • Dry, drynesssocket (teeth) → M27.3
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)alveolar → M27.3
  • Inflammation, inflamed, inflammatory (with exudation)alveoli, teeth → M27.3
  • Osteitisalveolar → M27.3
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic)alveolar → M27.3
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic)alveolodental → M27.3
  • Periostitis (albuminosa) (circumscribed) (diffuse) (infective) (monomelic)dental → M27.3
  • Suppuration, suppurativedental periosteum → M27.3
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativealveolar process → M27.3
  • Cyst (colloid) (mucous) (simple) (retention)alveolar process (jaw bone) → M27.40

64 more, longer entries are not listed; the search box finds them by word.

NCHS Alphabetic Index. Index first, then the Tabular List.

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