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K13 ICD-10-CA category: Other diseases of lip and oral mucosa

K13 isn’t a code on its own. Choose one of the 8 codes beneath it, the one the documentation supports.

Official description

K13

Other diseases of lip and oral mucosa

ICD-10-CA · Canada

Codes in K13

K13 isn’t a code on its own. Open the code that matches what the note documents.

K13.0Diseases of lipsK13.1Cheek and lip bitingK13.2Leukoplakia and other disturbances of oral epithelium, including tongueK13.3Hairy leukoplakiaK13.4Granuloma and granuloma-like lesions of oral mucosaK13.5Oral submucous fibrosisK13.6Irritative hyperplasia of oral mucosaK13.7Other and unspecified lesions of oral mucosa

Notes for K13

As CIHI prints them, with any note K13 takes from the headings above it.

Includes

  • Epithelial disturbances of tongue

Excludes

Conditions classified elsewhere.

  • Certain disorders of gingiva and edentulous alveolar ridge (K05-K06)cysts of oral region (K09.-)diseases of tongue (K14.-)stomatitis and related lesions (K12.-)
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)

Where K13 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K00-K14Diseases of oral cavity, salivary glands and jaws
  3. 3Category K13Other diseases of lip and oral mucosa

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See K13 in the CIHI source

Frequently asked questions

Is K13 a valid ICD-10-CA code?

No. K13 (Other diseases of lip and oral mucosa) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 8 codes; record the one the documentation supports.

Where is K13 in ICD-10-CA?

K13 sits under K00-K14 Diseases of oral cavity, salivary glands and jaws, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K13?

ICD-10-CA lists Includes, Excludes notes for K13, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside K13

K00Disorders of tooth development and eruptionK01Embedded and impacted teethK02Dental cariesK03Other diseases of hard tissues of teethK04Diseases of pulp and periapical tissuesK05Gingivitis and periodontal diseasesK06Other disorders of gingiva and edentulous alveolar ridgeK07Dentofacial anomalies [including malocclusion]K08Other disorders of teeth and supporting structuresK09Cysts of oral region, not elsewhere classifiedK10Other diseases of jawsK11Diseases of salivary glandsK12Stomatitis and related lesionsK14Diseases of tongue