ICD-10 diagnosis code

C04 Malignant neoplasm of floor of mouth

C04 is the ICD-10 code for Malignant neoplasm of floor of mouth. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block C00–C14 (Malignant neoplasms of lip, oral cavity and pharynx) in Chapter II, Neoplasms.

Code type: Category (3 characters)
Chapter: II · C00–D48
Classification: WHO ICD-10, 2019 version

Subcodes of C04

C04 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

C04Malign tumör i munbotten

DenmarkICD-10-DK

DC04Kræft i mundgulvet

FinlandICD-10-FI

C04Suunpohjan syöpä

GermanyICD-10-GM

C04Bösartige Neubildung des Mundbodens

FranceICD-10-FR

C04Tumeur maligne du plancher de la bouche

NetherlandsICD-10-NL

C04maligne neoplasma van mondbodem

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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