K13.5Billable
Oral submucous fibrosis
- Chapter
- 11. Diseases of the digestive system
- Category
- K13
- Effective date
- October 1, 2026
Related codes in category K13
K13Other diseases of lip and oral mucosaK13.0Diseases of lipsYesK13.1Cheek and lip bitingYesK13.2Leukoplakia and oth disturb of oral epithelium, inc tongueK13.21Leukoplakia of oral mucosa, including tongueYesK13.22Minimal keratinized residual ridge mucosaYesK13.23Excessive keratinized residual ridge mucosaYesK13.24Leukokeratosis nicotina palatiYesK13.29Other disturbances of oral epithelium, including tongueYesK13.3Hairy leukoplakiaYesK13.4Granuloma and granuloma-like lesions of oral mucosaYesK13.6Irritative hyperplasia of oral mucosaYes
Frequently asked questions
What is ICD-10 code K13.5?
K13.5 is an ICD-10-CM diagnosis code for Oral submucous fibrosis.
Is K13.5 a billable code?
Yes. K13.5 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is K13.5 in?
K13.5 falls under Chapter 11: Diseases of the digestive system.
When did K13.5 become effective?
K13.5 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to K13.5?
K13.5 belongs to category K13, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.