pH Urine by pH Meter
Test Mnemonic
PHU
CPT Codes
- 83986 - QTY (1)
LOINC ®
2756-5
Aliases
- Urine, pH
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 10 mL | Urine, random | Clean container | Refrigerate ASAP | 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 |
|---|---|---|---|---|---|
| 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
| pH Urine by pH Meter | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 4.6 - 8.0 | pH units |
Special Info
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.
Clinical Info
pH determination when a dipstick is not sufficiently accurate.