ICD-10-CM · Chapter 18 · R00-R99
R91 Abnormal findings on diagnostic imaging of lung
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R91..1 | Solitary pulmonary nodule | Yes |
| R91..8 | Other nonspecific abnormal finding of lung field | Yes |
Last reviewed: September 2026