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Test Code PLT PLATELET COUNT

Methodology

Automated Hematology Analyzer

Specimen Requirements

EDTA Whole Blood

Container: Lavender top tube (EDTA)

Specimen Collection: Fill tube to appropriate line; Microtainers must be filled to SECOND mark

  1. Fill tube to appropriate line.
  2. Prefer specimen to be stored and transported refrigerated.

Specimen Rejection

1. Clotted specimen

2. Hemolyzed specimen

3. Exceed stability requirements

4. Underfilled tube

5. Unlabeled specimen

Maximum Laboratory Time

24 - 48 hours

Specimen Transport/Stability

Refrigerated: 12 hours

Test Classification and CPT Coding

85049

Day(s) Test Set Up

Daily

Reference Ranges

Platelet Count              THOU/cmm  
Newborn              170 - 430
1 wk              168 - 392
4 yrs              200 - 400
7 yrs              140 - 440
11 yrs              130 - 400

Appropriate comments are generated with report if sample integrity is compromised.

CRITICAL VALUE:  REFER TO LH-W CRITICAL VALUES POLICY