ICD-10-CM Codes
K00-K95 Diseases of the digestive system
K00-K14 Diseases of oral cavity and salivary glands
K13- Other diseases of lip and oral mucosa
2021 ICD-10-CM Diagnosis Code K13.3

2021 ICD-10-CM Diagnosis Code K13.3

Hairy leukoplakia

2016

2017

2018

2019

2020

2021

Billable/Specific Code

K13.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM K13.3 became effective on October 1, 2020.
This is the American ICD-10-CM version of K13.3 - other international versions of ICD-10 K13.3 may differ.

The following code(s) above K13.3 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to K13.3:

K00-K95
2021 ICD-10-CM Range K00-K95
Diseases of the digestive system
Type 2 Excludes
- 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)
Diseases of the digestive system
K13
ICD-10-CM Diagnosis Code K13
Other diseases of lip and oral mucosa
Includes
- epithelial disturbances of tongue
Type 2 Excludes
- 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 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)
Other diseases of lip and oral mucosa

Approximate Synonyms

Oral hairy leukoplakia

Clinical Information

An epithelial hyperplasia of the oral mucosa associated with epstein-barr virus and found almost exclusively in persons with hiv infection. The lesion consists of a white patch that is often corrugated or hairy.
Epithelial hyperplasia of the oral mucosa associated with epstein-barr virus (herpesvirus 4, human) and found almost exclusively in persons with hiv infection. The lesion consists of a white patch that is often corrugated or hairy.

ICD-10-CM K13.3 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
157 Dental and oral diseases with mcc
158 Dental and oral diseases with cc
159 Dental and oral diseases without cc/mcc

Convert K13.3 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to K13.3:

Type 1 Excludes: K13.2
, K13.21

ICD-10-CM Diagnosis Code K13.2
Leukoplakia and other disturbances of oral epithelium, including tongue
Type 1 Excludes
- carcinoma in situ of oral epithelium (D00.0-)
- hairy leukoplakia (K13.3)
ICD-10-CM Diagnosis Code K13.21
Leukoplakia of oral mucosa, including tongue
Applicable To
- Leukokeratosis of oral mucosa
- Leukoplakia of gingiva, lips, tongue
Type 1 Excludes
- hairy leukoplakia (K13.3)
- leukokeratosis nicotina palati (K13.24)
Type 2 Excludes: K14

ICD-10-CM Diagnosis Code K14
Diseases of tongue
Type 2 Excludes
- erythroplakia (K13.29)
- focal epithelial hyperplasia (K13.29)
- leukedema of tongue (K13.29)
- leukoplakia of tongue (K13.21)
- hairy leukoplakia (K13.3)
- macroglossia (congenital) (Q38.2)
- submucous fibrosis of tongue (K13.5)
Use Additional
- code to identify:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)

Diagnosis Index entries containing back-references to K13.3:

Leukoplakia
- hairy K13.3 (oral mucosa) (tongue)

ICD-10-CM Codes Adjacent To K13.3

K12.39 Other oral mucositis (ulcerative)

K13 Other diseases of lip and oral mucosa

K13.0 Diseases of lips

K13.1 Cheek and lip biting

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

K13.21 Leukoplakia of oral mucosa, including tongue

K13.22 Minimal keratinized residual ridge mucosa

K13.23 Excessive keratinized residual ridge mucosa

K13.24 Leukokeratosis nicotina palati

K13.29 Other disturbances of oral epithelium, including tongue

K13.3 Hairy leukoplakia

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

K13.5 Oral submucous fibrosis

K13.6 Irritative hyperplasia of oral mucosa

K13.7 Other and unspecified lesions of oral mucosa

K13.70 Unspecified lesions of oral mucosa

K13.79 Other lesions of oral mucosa

K14 Diseases of tongue

K14.0 Glossitis

K14.1 Geographic tongue

K14.2 Median rhomboid glossitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code K13.3

Hairy leukoplakia

Diseases of the digestive system

Other diseases of lip and oral mucosa

Leukoplakia and other disturbances of oral epithelium, including tongue

Leukoplakia of oral mucosa, including tongue

Diseases of tongue