K14.9

Disease of tongue, unspecified

FY2027Chapter 11: Diseases of the digestive system/K00–K14 Diseases of oral cavity and salivary glands

BillableComplete code, valid to report

K14.9 (also written K149) is a billable ICD-10-CM diagnosis code for disease of tongue, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category K14 (Diseases of tongue). The Alphabetic Index lists it under 2 entries. Its coding notes include a Use additional code instruction and 15 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Inherited from K14 Diseases of tongue
  • 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)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from K14 Diseases of tongue
  • erythroplakia (K13.29)
  • focal epithelial hyperplasia (K13.29)
  • leukoedema of tongue (K13.29)
  • leukoplakia of tongue (K13.21)
  • hairy leukoplakia (K13.3)
  • macroglossia (congenital) (Q38.2)
  • submucous fibrosis of tongue (K13.5)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • 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)

Inclusion terms

Conditions classified to this code.

This code
  • Glossopathy NOS

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 2 entries