K03.5
✓ Billable
Ankylosis of teeth
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K03.5
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code K03.5?
ICD-10-CM code K03.5 represents Ankylosis of teeth. It is a billable diagnosis code in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K03.5 billable?
Yes. K03.5 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is K03.5 in?
K03.5 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K03 category
K03
Other diseases of hard tissues of teeth
Non-billable
K03.0
Excessive attrition of teeth
Billable
K03.1
Abrasion of teeth
Billable
K03.2
Erosion of teeth
Billable
K03.3
Pathological resorption of teeth
Billable
K03.4
Hypercementosis
Billable
K03.6
Deposits [accretions] on teeth
Billable
K03.7
Posteruptive color changes of dental hard tissues
Billable
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