Cell count & differential, CSF

Alphabetical Test listing

Cell count & differential, CSF-9421

Test name:

Test number:

9421

Excellian order number:

89051.4

Abbreviation:

SFD

Specimen type:

Cerebral spinal fluid (CSF)

Collection container:

Sterile vial/container

Volume:

1.0 mL

Processing instructions:

Submit entire specimen

Transport container:

Sterile vial/container

Transport and stability:

Refrigerated

Must be delivered Immediately

Reference lab must receive specimen within 1-2 hours of collection
Hospital In-patients: Deliver specimen to the lab within 30 minutes of collection

Reason for rejection:

Improper label (unlabeled or mislabeled)
Hemolysis
Delay in transport
Improper storage/transport temperature

Performing lab:

AHL - Hematology: H

Days set up:

Daily

TAT:

1 day

Method:

Manual count

Reference ranges:

White Blood Cell Count:

Adults	0 - 5 wbc/uL
Children (< 1 year)	0 - 30 wbc/uL
Children (1 - 4 years)	0 - 20 wbc/uL
Children (5 yrs - puberty)	0 - 10 wbc/uL

Red Blood Cell Count: <10/uL

Differential:

Cell Type	Adult	Neonate
Lymphocytes	40 - 80 %	5 - 35%
Monocytes	15 - 45%	50 - 90%
Neutrophils	0 - 5%	0 - 5%

Results that require action (critical):

WBC: >25 wbc/uL

CPT codes:

89051

Date created:

11/30/2001

Revised date:

05/02/2024

Review date:

01/03/2024