K14 – Diseases of tongue

ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands

Non-billable header

ICD-10-CM code K14

Code: K14 (claims format: K14)
Description: Diseases of tongue
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K00-K14 Diseases of oral cavity and salivary glands

Billable codes under K14

K14 is a header code and cannot be used on claims. Choose the most specific code:

K14.0 – GlossitisBillable
K14.1 – Geographic tongueBillable
K14.2 – Median rhomboid glossitisBillable
K14.3 – Hypertrophy of tongue papillaeBillable
K14.4 – Atrophy of tongue papillaeBillable
K14.5 – Plicated tongueBillable
K14.6 – GlossodyniaBillable
K14.8 – Other diseases of tongueBillable
K14.9 – Disease of tongue, unspecifiedBillable

Notes for K14

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)

Frequently asked questions

What is ICD-10 code K14?

K14 is the ICD-10-CM code for diseases of tongue, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K14 a billable code?

No. K14 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.