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HelppH, Body Fluid
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Plain Red Top
Specimen Requirements
Preferred:
Container/Tube: Plain Red Top
Minimum Volume: 1.0 mL
Collection Instructions: Keep Specimen Anaerobic
Also Acceptable:
Container/Tube: Plain Green (Lithium Heparin) NO GEL
Specimen Stability
There is no sample stability information available so every attempt will be made to perform testing as soon as possible after the body fluid sample has been collected.
Reference Range
The reference range and analytic accuracy have not been established for these tests in this sample type. The test results should be interpreted based on clinical context.
Methodology
pH Meter
CPT
83986
Lab Handling
The specimen must be kept as anaerobic as possible prior to analysis because exposure to air causes a falsely increased pH measurement. The sample tube should be full. If the sample tube is not filled or if the sample was not kept anaerobic for another reason, append a comment to the result to indicate the possibility of the false elevation using the canned text “LFLPH” which states: