K03.5
Billable codeAnkylosis of teeth
The ICD-10 code for ankylosis of teeth is K03.5.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- K03.0Excessive attrition of teeth
- K03.1Abrasion of teeth
- K03.2Erosion of teeth
- K03.3Pathological resorption of teeth
- K03.4Hypercementosis
- K03.6Deposits [accretions] on teeth
- K03.7Posteruptive color changes of dental hard tissues
- K03.8Other specified diseases of hard tissues of teethnon-billable header
- K03.9Disease of hard tissues of teeth, unspecified
- K03.5Ankylosis of teeth
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 5216
Associated MS-DRGs
K03.5 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 157Dental and Oral Diseases with MCC
- DRG 158Dental and Oral Diseases with CC
- DRG 159Dental and Oral Diseases without CC/MCC