ICD-10-CM › C00-D49 › C30-C39 › C34.0 Malignant neoplasm of main bronchus › C34.00

C34.00

Malignant neoplasm of unspecified main bronchus

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Malignant neoplasm of main bronchus, unspecified side
  2. FY2011 Draft description revised draft Malignant neoplasm of main bronchus, unspecified side Malignant neoplasm of unspecified main bronchus

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C34 Malignant neoplasm of bronchus and lung

Excludes1 - never coded here

  • Kaposi's sarcoma of lung (C46.5-)
  • malignant carcinoid tumor of the bronchus and lung (C7A.090)

Use additional code

  • code to identify:
  • 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)

Inherited from the C30-C39 section Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

Excludes1 - never coded here

  • mesothelioma (C45.-)

Includes

  • malignant neoplasm of middle ear

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
C34.01 Malignant neoplasm of right main bronchus Valid
C34.02 Malignant neoplasm of left main bronchus Valid