A18.81
A18.81: Tuberculosis of thyroid gland
Billable / specific codeICD-10-CM
A18.81 is a billable, specific ICD-10-CM code for tuberculosis of thyroid gland. It is valid for submission on a claim.
Check A18.81 with the rest of the claim: free scrubberOther codes that can never be billed with A18.81
Their own Excludes1 notes name this code, so the conflict is not listed above.
- E35Disorders of endocrine glands in diseases classified elsewhere
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
A18.81 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
- A56841Billing and Coding: Vitamin D; 25 hydroxy, includes fraction(s), if performed
- A57484Billing and Coding: Vitamin D Assay Testing
Alphabetic index entries that lead here
- Thyroiditis›tuberculous
- Tuberculosis, tubercular, tuberculous›thyroid gland
Code history
Unchanged in every release from FY2024 to FY2027.