Laboratory Services
pH, Body Fluid
Print this pageUpdated Test Information:
| Test Description |
pH, Body Fluid
|
|
|---|---|---|
| Synonym(s) |
pH, BF pH, body fluid pH, body fluid |
|
| Test ID |
BFPH
|
|
| General Information |
Determining the pH value (hydrogen ion concentration) of a body fluid may help characterize the nature of the fluid. Abnormally low pleural fluid pH measurements can help identify exudates caused by pneumonia/lung abscess |
|
| Container Type |
Plain red top or other sterile, preservative free container. Must be tightly capped. |
|
| Specimen Type |
Body Fluid |
|
| Alternate Specimen Type |
Specimens received in preserve tubes are not preferred, but accepted. |
|
| Specimen Requirements |
Limit exposure to air and avoid cell contamination if possible. If sample contains cells, promptly separate fluid from the cells and place in airtight container. |
|
| Specimen Collection / Processing Instructions |
Indicate the body fluid type, source location, and data/time of collection. Store sample refrigerated. |
|
| Minimum Sample Volume |
0.5mL |
|
| Stability |
2 days at 15‑25 °C |
|
| Unacceptable Specimen Conditions |
Specimens received > 2 days after collection. Specimens stored at temperatures other than refrigerated. |
|
| Department (code) |
Hematology |
|
| Methodology |
pH indicator strip or pH paper |
|
| Estimated TAT |
0-2 days |
|
| Testing Schedule |
Monday - Saturday |
|
| Test Includes |
Body Fluid pH |
|
| CPT Code(s) |
83986 |
|
| Reference Range |
Reference ranges vary depending on the type of body fluid being tested as well as the reason why the pH testing is being performed. Serous fluid: 6.8-7.6 |
|
| STAT Orderable (Y/N) |
Y |
|
| Performing Lab |
Incyte |
|
| LOINC Code(s) |
2748-2 |
