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Test Code LAB110 Body Fluid pH

Important Note

Send to lab immediately on ice within 1 hour of collection; pH will change upon standing.

Clinical System Name

Body Fluid pH

Synonyms

LAB110

PH BF

Peritoneal pH
Synovial fluid pH

Sample Requirements

Specimen:  Body Fluid

Container(s): Sterile Screw-Capped Container, Sterile Screw-Capped Tube, Syringe

Preferred Vol: 2 mL

Minimum Vol: 1 mL

 

Note:  Deliver labeled container on ice to clinical lab within 1 hour of collection. Abdominal, ascites, body, chest, pericardial, peritoneal, pleural, and thoracentesis fluid is acceptable. Test is performed on the pH meter. Method is affected by delay in processing which results in bacterial growth or other in vitro metabolism of specimen.

Processing Instructions

Reject due to: Age of specimen (give to Core Lab for determination), Incorrect specimen container

Spin: N

Aliquot: N

Temp: 2-8oC

Storage location: Core 5 Chemistry Refrigerator

 

Off-site collection: Send to lab immediately on ice within 1 hour of collection; pH will change upon standing. Abdominal, ascites, body, chest, pericardial, peritoneal, pleural, and thoracentesis fluid is acceptable. Test is performed on the pH meter. Method is affected by delay in processing which results in bacterial growth or other in vitro metabolism of specimen.

Stability

Specimen Type Temperature Time
Body Fluid RT

≤ 2 h
Body Fluid 2-8 C

≤ 4 d
  -20 C or -70 C

N

Availability

STAT Performed TAT
Y 24/7 1 h

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Chemistry

Phone Number: 206-987-2617 (Client Services)

CPT Codes

83986

Methodology

Method: pH by meter

Analytical Volume: 1 mL

Reference Range

Reference ranges not established for body fluids.

Description

Body Fluid pH by meter.