2018 ICD-10-CM Diagnosis Code K04.8

Radicular cyst

Applicable To
  • Apical (periodontal) cyst
  • Periapical cyst
  • Residual radicular cyst
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (K04.8) and the excluded code together.
  • lateral periodontal cyst (
    ICD-10-CM Diagnosis Code K09.0

    Developmental odontogenic cysts

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Dentigerous cyst
    • Eruption cyst
    • Follicular cyst
    • Gingival cyst
    • Lateral periodontal cyst
    • Primordial cyst
    Type 2 Excludes
    K09.0
    )
The following code(s) above K04.8 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 K04.8:
  • K00-K95
    2018 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
Clinical Information ICD-10-CM K04.8 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert K04.8 to ICD-9-CM

Code History
Code annotations containing back-references to K04.8:

Diagnosis Index entries containing back-references to K04.8:

ICD-10-CM Codes Adjacent To K04.8
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
K04.8 Radicular cyst
K04.9 Other and unspecified diseases of pulp and periapical tissues
K04.90 Unspecified diseases of pulp and periapical tissues
K04.99 Other diseases of pulp and periapical tissues
K05 Gingivitis and periodontal diseases
K05.0 Acute gingivitis
K05.00 …… plaque induced
K05.01 …… non-plaque induced
K05.1 Chronic gingivitis
K05.10 …… plaque induced
K05.11 …… non-plaque induced

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