Yale New Haven Hospital

Department of Laboratory Medicine
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Body fluid cell count

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB8997

 

Methodology: 

Cell count methodology either manual chamber count or automated analysis

Schedule: 

Sunday-Saturday

Reported: 

1 hour for STAT orders; 2 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 ml Fluid in a Lavender Top Tube.
Pediatric volume: 1.0 ml.
Body fluid in a fluid container. Pleural ,peritoneal, pericardial or synovial fluids best collected in lavender tubes.
Handling: unacceptable for cell counts-abscess, cyst and all surgical drainage fluids. A spun Hct is performed..
Unacceptable conditions: Frozen and clotted samples
Stability: < 24 hours

 

Notes: 

Reflex Criteria: Joint fluid reflexes to joint crystals.

Tests in this Panel: 

Test Name

Reference Interval

Nucleated Cells/uL, Fluid [LRR15232]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Synovial fluid = <200 Cells/uL; All other body fluids = ><500 Cells/uL Cells/uL><200 cells/uL; All other body fluids= <500 cells/uL

Red Cells/uL, Fluid [LRR11395]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

None

CPT Code(s): 

89050

Last Changed: 

 8/17/2017 10:26 AM

            Last Reviewed:8/17/2017 10:27 AM