Test Details
Mnemonic
PTPF
Ordering Code
3434360
CPT-4 Code(s)
84157
Specimen Information
Collect
Pleural fluid
Specimen Preparation
Send 1.0 mL pleural fluid in a screw capped plastic vial.
Minimum Volume
0.2 mL
Transport Temperature
Frozen
Rejection Criteria
Gross hemolysis
Stability
Room temperature: 7 days
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Methodology
Spectrophotometry (SP)
Reference Range
Transudate: <3 g/dL
Exudate: >3 g/dL
Exudate: >3 g/dL
Performing Laboratory
Quest
New York DOH Approval Status
Yes