Malignant neoplasm of upper lobe, left bronchus or lung
- C34.12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM C34.12 became effective on October 1, 2023.
- This is the American ICD-10-CM version of C34.12 – other international versions of ICD-10 C34.12 may differ.
The following code(s) above C34.12 contain annotation back-references
that may be applicable to C34.12:
- C00-D49 Neoplasms
- C30-C39 Malignant neoplasms of respiratory and intrathoracic organs
- C34 Malignant neoplasm of bronchus and lung
Approximate Synonyms
- Adenocarcinoma, l upper lobe
- Bronchoalveolar carcinoma, l upper lobe
- Cancer of the lung, left upper lobe
- Large cell carcinoma, l upper lobe
- Primary adenocarcinoma of left upper lobe of lung
- Primary bronchoalveolar carcinoma of left upper lobe of lung
- Primary large cell carcinoma of left upper lobe of lung
- Primary malignant neoplasm of left upper lobe of lung
- Primary small cell carcinoma of left upper lobe of lung
- Primary squamous cell carcinoma of left upper lobe of lung
- Small cell carcinoma, l upper lobe
- Squamous cell carcinoma, l upper lobe
ICD-10-CM C34.12 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
- 180 Respiratory neoplasms with mcc
- 181 Respiratory neoplasms with cc
- 182 Respiratory neoplasms without cc/mcc
Convert C34.12 to ICD-9-CMCode 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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change