K13.2 – Leukoplakia and other disturbances of oral epithelium, including tongue

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

Non-billable header

ICD-10-CM code K13.2

Code: K13.2 (claims format: K132)
Description: Leukoplakia and other disturbances of oral epithelium, including tongue
Short description: Leukoplakia and oth disturb of oral epithelium, inc 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
Parent codes: K13

Billable codes under K13.2

K13.2 is a header code and cannot be used on claims. Choose the most specific code:

K13.21 – Leukoplakia of oral mucosa, including tongueBillable
K13.22 – Minimal keratinized residual ridge mucosaBillable
K13.23 – Excessive keratinized residual ridge mucosaBillable
K13.24 – Leukokeratosis nicotina palatiBillable
K13.29 – Other disturbances of oral epithelium, including tongueBillable

Notes for K13.2

Excludes1 (not coded here):

carcinoma in situ of oral epithelium (D00.0-)
hairy leukoplakia (K13.3)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K13 – Other diseases of lip and oral mucosa

Includes:

epithelial disturbances of tongue

Excludes2 (not included here):

certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)
diseases of tongue (K14.-)
stomatitis and related lesions (K12.-)

Use additional code:

code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

Related codes in K13

K13.0 – Diseases of lipsBillable
K13.1 – Cheek and lip bitingBillable
K13.3 – Hairy leukoplakiaBillable
K13.4 – Granuloma and granuloma-like lesions of oral mucosaBillable
K13.5 – Oral submucous fibrosisBillable
K13.6 – Irritative hyperplasia of oral mucosaBillable
K13.7 – Other and unspecified lesions of oral mucosaHeader

Frequently asked questions

What is ICD-10 code K13.2?

K13.2 is the ICD-10-CM code for leukoplakia and other disturbances of oral epithelium, including tongue, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K13.2 a billable code?

No. K13.2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does K13.2 belong to?

It belongs to category K13 – Other diseases of lip and oral mucosa.

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.