All ICD10 Codes

K13

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Other diseases of lip and oral mucosa

Use a more specific code (6 billable, 2 non-billable)
K13.0Diseases of lipsK13.1Cheek and lip bitingK13.2Leukoplakia and other disturbances of oral epithelium, including tonguehas subcodesK13.3Hairy leukoplakiaK13.4Granuloma and granuloma-like lesions of oral mucosaK13.5Oral submucous fibrosisK13.6Irritative hyperplasia of oral mucosaK13.7Other and unspecified lesions of oral mucosahas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • epithelial disturbances of tongue
Excludes2(Not included here. Code separately if applicable.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K00-K14Diseases of oral cavity and salivary glands (K00-K14)
K13Other diseases of lip and oral mucosaNot billable
K13.0Diseases of lipsBillable
K13.1Cheek and lip bitingBillable
K13.2Leukoplakia and other disturbances of oral epithelium, including tongueSubcodes
K13.3Hairy leukoplakiaBillable
K13.4Granuloma and granuloma-like lesions of oral mucosaBillable
K13.5Oral submucous fibrosisBillable
K13.6Irritative hyperplasia of oral mucosaBillable
K13.7Other and unspecified lesions of oral mucosaSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K13:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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