K04.5

Chronic apical periodontitis

Billable / specific

K04.5 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Apical or periapical granuloma
  • Apical periodontitis NOS

Excludes1

Not coded here — never report together with this code.

  • chronic periodontitis (K05.3-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from K04)
  • certain infectious and parasitic diseases (A00-B99) (from K04)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K04)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K04)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from K04)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from K04)
  • neoplasms (C00-D49) (from K04)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K04)

Also known as

  • Apical or periapical granuloma
  • Apical periodontitis NOS
  • Granuloma, apical
  • Granuloma, dental
  • Granuloma, periapical
  • Granuloma, pyogenic, pyogenicum, maxillary alveolar ridge
  • Infection, infected, infective, periapical
  • Periodontitis, apical

Parent code

  • K04Diseases of pulp and periapical tissuesHeader

Related codes

  • K04.0PulpitisHeader
  • K04.1Necrosis of pulpBillable
  • K04.2Pulp degenerationBillable
  • K04.3Abnormal hard tissue formation in pulpBillable
  • K04.4Acute apical periodontitis of pulpal originBillable
  • K04.6Periapical abscess with sinusBillable
  • K04.7Periapical abscess without sinusBillable
  • K04.8Radicular cystBillable
  • K04.9Other and unspecified diseases of pulp and periapical tissuesHeader

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