2020 ICD-10-CM Diagnosis Code M27.4

Other and unspecified cysts of jaw

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • M27.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM M27.4 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M27.4 - other international versions of ICD-10 M27.4 may differ.
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M27.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • cysts of oral region (
    ICD-10-CM Diagnosis Code K09
    • K09 Cysts of oral region, not elsewhere classifie...
      • K09.0 Developmental odontogenic cysts
      • K09.1 Developmental (nonodontogenic) cysts of oral ...
      • K09.8 Other cysts of oral region, not elsewhere cla...
      • K09.9 Cyst of oral region, unspecified
    K09.-
    )
  • latent bone cyst of jaw (
    ICD-10-CM Diagnosis Code M27.0

    Developmental disorders of jaws

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Latent bone cyst of jaw
    • Stafne's cyst
    • Torus mandibularis
    • Torus palatinus
    M27.0
    )
  • Stafne's cyst (
    ICD-10-CM Diagnosis Code M27.0

    Developmental disorders of jaws

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Latent bone cyst of jaw
    • Stafne's cyst
    • Torus mandibularis
    • Torus palatinus
    M27.0
    )
The following code(s) above M27.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M27.4:
  • M00-M99
    2020 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
  • M26-M27
    2020 ICD-10-CM Range M26-M27

    Dentofacial anomalies [including malocclusion] and other disorders of jaw

    Type 1 Excludes
    • hemifacial atrophy or hypertrophy (Q67.4)
    • unilateral condylar hyperplasia or hypoplasia (M27.8)
    Dentofacial anomalies [including malocclusion] and other disorders of jaw
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to M27.4:
  • Type 1 Excludes: M85.6
    ICD-10-CM Diagnosis Code M85.6

    Other cyst of bone

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • cyst of jaw NEC (M27.4)
    • osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone] (E21.0)
  • Type 2 Excludes: K09
    , M85.4
    , M85.5
    ICD-10-CM Diagnosis Code K09

    Cysts of oral region, not elsewhere classified

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
    Type 2 Excludes
    ICD-10-CM Diagnosis Code M85.4

    Solitary bone cyst

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • solitary cyst of jaw (M27.4)
    ICD-10-CM Diagnosis Code M85.5

    Aneurysmal bone cyst

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • aneurysmal cyst of jaw (M27.4)
ICD-10-CM Codes Adjacent To M27.4
M26.8 Other dentofacial anomalies
M26.81 Anterior soft tissue impingement
M26.82 Posterior soft tissue impingement
M26.89 Other dentofacial anomalies
M26.9 Dentofacial anomaly, unspecified
M27 Other diseases of jaws
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 jaw
M27.40 Unspecified cyst of jaw
M27.49 Other cysts of jaw
M27.5 Periradicular pathology associated with previous endodontic treatment
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 failure
M27.61 Osseointegration failure of dental implant
M27.62 Post-osseointegration biological failure of dental implant

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.