K13.4 – Granuloma and granuloma-like lesions of oral mucosa

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

Billable code

ICD-10-CM code K13.4

Code: K13.4 (claims format: K134)
Description: Granuloma and granuloma-like lesions of oral mucosa
Billable: Yes – valid for HIPAA-covered transactions
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

Notes for K13.4

Applicable to:

Eosinophilic granuloma
Granuloma pyogenicum
Verrucous xanthoma

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)

Index terms for K13.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K13

K13.0 – Diseases of lipsBillable
K13.1 – Cheek and lip bitingBillable
K13.2 – Leukoplakia and other disturbances of oral epithelium, including tongueHeader
K13.3 – Hairy leukoplakiaBillable
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 K13.4?

K13.4 is the ICD-10-CM code for granuloma and granuloma-like lesions of oral mucosa, in the block K00-K14 (Diseases of oral cavity and salivary glands).

Is K13.4 a billable code?

Yes. K13.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K13.4 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.