K14.9 is the authoritative medical code for Disease of tongue, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for disease of tongue, unspecified (ICD-10-CM K14.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Disease of tongue, unspecified is a billable ICD-10-CM diagnosis code K14.9. Inclusion terms: Glossopathy NOS. Excludes2 (not included here): erythroplakia K13.29; focal epithelial hyperplasia K13.29; leukoedema of tongue K13.29; leukoplakia of tongue K13.21; hairy leukoplakia K13.3; macroglossia congenital Q38.2; submucous fibrosis of tongue K13.5. Use additional code: code to identify:; alcohol abuse and dependence F10.-; exposure to environmental tobacco smoke Z77.22; history of tobacco dependence Z87.891; occupational exposure to environmental tobacco smoke Z57.31; tobacco dependence F17.-; tobacco use Z72.0.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K14.9 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- erythroplakia K13.29
- focal epithelial hyperplasia K13.29
- leukoedema of tongue K13.29
- leukoplakia of tongue K13.21
- hairy leukoplakia K13.3
- macroglossia congenital Q38.2
- submucous fibrosis of tongue K13.5
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code to identify:
- alcohol abuse and dependence F10.-
- exposure to environmental tobacco smoke Z77.22
- history of tobacco dependence Z87.891
- occupational exposure to environmental tobacco smoke Z57.31
- tobacco dependence F17.-
- tobacco use Z72.0
Frequently Asked Questions (FAQ) & Clinical Guidance
Can K14.9 be reported alongside related conditions?
Per Excludes2 instructions, K14.9 and the following may both be reported when both are present: erythroplakia (K13.29); focal epithelial hyperplasia (K13.29); leukoedema of tongue (K13.29); leukoplakia of tongue (K13.21).
Is an additional code needed with K14.9?
Use additional code(s) to specify: code to identify:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891).
What conditions are included under K14.9?
Disease of tongue, unspecified includes: Glossopathy NOS.
Codes in This Family (9)
Official ICD-10-CM classifications in the same code family as K14.9, with their registry titles.
- K14 — Diseases of tongue
- K14.0 — Glossitis
- K14.1 — Geographic tongue
- K14.2 — Median rhomboid glossitis
- K14.3 — Hypertrophy of tongue papillae
- K14.4 — Atrophy of tongue papillae
- K14.5 — Plicated tongue
- K14.6 — Glossodynia
- K14.8 — Other diseases of tongue
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Disease, diseased, tongue
- Glossopathy
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: