K13.21

Leukoplakia of oral mucosa, including tongue

Billable / specific

K13.21 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Not coded here — never report together with this code.

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96) (from K13)
certain infectious and parasitic diseases (A00-B99) (from K13)
complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K13)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K13)
endocrine, nutritional and metabolic diseases (E00-E88) (from K13)
injury, poisoning and certain other consequences of external causes (S00-T88) (from K13)
neoplasms (C00-D49) (from K13)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K13)
certain disorders of gingiva and edentulous alveolar ridge (K05-K06) (from K13)
cysts of oral region (K09.-) (from K13)
diseases of tongue (K14.-) (from K13)
stomatitis and related lesions (K12.-) (from K13)

Add a code to identify the following, if applicable.

code to identify: (from K13)
alcohol abuse and dependence (F10.-) (from K13)
exposure to environmental tobacco smoke (Z77.22) (from K13)
exposure to tobacco smoke in the perinatal period (P96.81) (from K13)
history of tobacco dependence (Z87.891) (from K13)
occupational exposure to environmental tobacco smoke (Z57.31) (from K13)
tobacco dependence (F17.-) (from K13)
tobacco use (Z72.0) (from K13)

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