Is K13.29 a billable ICD-10-CM code?

Yes. K13.29 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K13.29 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of oral cavity and salivary glands (K00-K14).

What cannot be coded together with K13.29?

K13.29 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above K13.29 (K13.2) and apply to it just the same.

K13.29

K13.29 — Other disturbances of oral epithelium, including tongue

Billable / specific codeICD-10-CM

K13.29 is a billable, specific ICD-10-CM code for other disturbances of oral epithelium, including tongue. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Erythroplakia of mouth or tongue
Focal epithelial hyperplasia of mouth or tongue
Leukoedema of mouth or tongue
Other oral epithelium disturbances

Excludes1 inherited from the categories above K13.29

These are not written on K13.29, but they bind it: a note on a category applies to every code beneath it. Billing K13.29 with anything listed here is a denial.

Written on K13.2 — Leukoplakia and other disturbances of oral epithelium, including tongue

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

Excludes2 inherited from the categories above K13.29

Also inherited, and the opposite of Excludes1: these conditions are not part of K13.29, but a patient can have both, so you may code both.

Written on K13 — Other diseases of lip and oral mucosa

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

Risk adjustment

K13.29 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K13.29 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders

How K13.29 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K13.29.

Erythroplakia, oral epithelium, and tongue
Leukoedema, oral epithelium
Disturbance›oral epithelium, including tongue NEC
Ichthyosis›lingual
Lingua›tylosis
Plaque›tongue
Psoriasis›buccal
Psoriasis›mouth
Tylosis›buccalis
Tylosis›linguae
White›patches of mouth
Disturbance›keratinization NEC›oral(mucosa) (soft tissue)

Code history

K13.29 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share K13.2. If K13.29 is not quite right, the correct code is usually one of these.

Questions about K13.29

Is K13.29 a billable ICD-10-CM code?: Yes. K13.29 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K13.29 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of oral cavity and salivary glands (K00-K14).
What cannot be coded together with K13.29?: K13.29 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above K13.29 (K13.2) and apply to it just the same.