R91.1

Applicable To

• Coin lesion lung

• Solitary pulmonary nodule, subsegmental branch of the bronchial tree

Approximate Synonyms

• Pulmonary nodule

• Solitary nodule of lung

Clinical Information

• A lung lesion that appears as a round coin-shaped shadow in the chest radiographs.

• A single lung lesion that is characterized by a small round mass of tissue, usually less than 1 cm in diameter, and can be detected by chest radiography. A solitary pulmonary nodule can be associated with neoplasm, tuberculosis, cyst, or other anomalies in the lung, the chest wall, or the pleura.

Details

• R91.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM R91.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of R91.1 – other international versions of ICD-10 R91.1 may differ.