pH, Body Fluid
Test Mnemonic
FLPH
CPT Codes
- 83986 - QTY (1)
LOINC ®
2748-2
Aliases
- Pleural Fluid, pH
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 - 3 mL | Fluid, body | Clean container (No preservatives) | Refrigerated | Deliver to Lab or place in refrigerator immediately after collection. After 8 hours, the sample must be refrigerated and adding a small layer of mineral oil on top is recommended. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 - 3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 8 hours. After 8 hours, the sample must be refrigerated and adding a small layer of mineral oil on top is recommended. |
| Refrigerated | 28 hours. Adding a small layer of mineral oil on top is recommended. |
| Frozen | Unacceptable |
Days Performed
Sun - Sat
Turnaround Time
24 hours
Methodology
| Name | Description |
|---|---|
| Ion Selective Electrode (ISE) |
Reference Range
Special Info
This test is for pleural fluid only.
Clinical Info
May assist in distinguishing exudates from transudates.