522.8 RADICULAR CYST


Code Information

Diagnosis Code: 522.8

Short Description: Radicular cyst

Long Description: Radicular cyst

Code Classification:

  • Diseases of the digestive system (520–579)
    • Diseases of oral cavity, salivary glands, and jaws (520-529)
      • 522 Diseases of pulp and periapical tissues
        • 522.8 Radicular cyst

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 522.8 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Cyst (mucus) (retention) (serous) (simple)
    • apical (periodontal) (tooth) 522.8
    • dental 522.8
      • developmental 526.0
      • eruption 526.0
      • lateral periodontal 526.0
      • primordial (keratocyst) 526.0
      • root 522.8
    • mandible 526.2
      • radicular 522.8
    • maxilla 526.2
      • radicular 522.8
    • periapical 522.8
    • periodontal 522.8
      • lateral 526.0
    • radicular (residual) 522.8
    • radiculodental 522.8
    • residual (radicular) 522.8
    • tooth (dental root) 522.8
  • Periodontal
    • cyst 522.8

Crosswalk Information

The code 522.8 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
522.8 Right Arrow K04.8 Radicular cyst
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
522.0 Pulpitis
522.1 Necrosis of the pulp
522.2 Pulp degeneration
522.3 Abnormal hard tissue formation in pulp
522.4 Acute apical periodontitis of pulpal origin
522.5 Periapical abscess without sinus
522.6 Chronic apical periodontitis
522.7 Periapical abscess with sinus
522.9 Other and unspecified diseases of pulp and periapical tissues


This page was last updated on: 10/1/2014