Tag - obstruction
| HCPCS Codes | Description |
| M1213 | No history of spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) and present spirometry is >= 70% |
| M1214 | Spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) documented and reviewed |
| M1216 | No spirometry results with confirmed airflow obstruction (fev1/fvc < 70%) documented and/or no spirometry performed with results documented during the encounter |