2020 ICD-10-CM Diagnosis Code K04

Diseases of pulp and periapical tissues

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • K04 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 K04 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K04 - other international versions of ICD-10 K04 may differ.
The following code(s) above K04 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 K04:
  • K00-K95
    2020 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • 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 digestive system
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
ICD-10-CM Codes Adjacent To K04
K03.2 Erosion of teeth
K03.3 Pathological resorption of teeth
K03.4 Hypercementosis
K03.5 Ankylosis of teeth
K03.6 Deposits [accretions] on teeth
K03.7 Posteruptive color changes of dental hard tissues
K03.8 Other specified diseases of hard tissues of teeth
K03.81 Cracked tooth
K03.89 Other specified diseases of hard tissues of teeth
K03.9 Disease of hard tissues of teeth, unspecified
K04 Diseases of pulp and periapical tissues
K04.0 Pulpitis
K04.01 Reversible pulpitis
K04.02 Irreversible pulpitis
K04.1 Necrosis of pulp
K04.2 Pulp degeneration
K04.3 Abnormal hard tissue formation in pulp
K04.4 Acute apical periodontitis of pulpal origin
K04.5 Chronic apical periodontitis
K04.6 Periapical abscess with sinus
K04.7 Periapical abscess without sinus

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