Radicular cyst
Billable / specific
K04.8 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 (periodontal) cyst
- Periapical cyst
- Residual radicular cyst
Excludes2
Not included here — may be reported together when both conditions exist.
- lateral periodontal cyst (K09.0)
- 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 (periodontal) cyst
- Periapical cyst
- Residual radicular cyst
- Cyst, apical
- Cyst, dental
- Cyst, mandible, radicular
- Cyst, maxilla, radicular
- Cyst, periapical
- Cyst, periodontal
- Cyst, radicular
- Cyst, radiculodental
- Cyst, residual
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
- K04.5Chronic apical periodontitisBillable
- K04.6Periapical abscess with sinusBillable
- K04.7Periapical abscess without sinusBillable
- K04.9Other and unspecified diseases of pulp and periapical tissuesHeader