| 19845-7 | Functional residual capacity (helium single breath) |
| 19850-7 | Inspiratory capacity (helium single breath) |
| 19858-0 | Total lung capacity (helium single breath) |
| 19864-8 | Vital capacity Respiratory system (helium single breath) |
| 19912-5 | Diffusion capacity.carbon monoxide adjusted for hemoglobin (helium single breath) |
| 19922-4 | Expiratory reserve (helium single breath) |
| 19992-7 | Oxygen/Gas total Inhaled gas (helium single breath) |
| 20144-2 | Residual volume (helium single breath) |