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Test Code WBC WBC-LEUKOCYTE COUNT

Important Note

Test subject to Medicare National Coverage Determination (NCD).

See Medical Necessity documentation requirements by clicking on  

Medicare National Coverage Determinations under General Information

to left of this screen.

Additional Codes

LAB299

Performing Laboratory

Porter Hospital Laboratory

Specimen Requirements

Specimen Type: Whole blood
Container/Tube: Lavender (EDTA)

Acceptable: Lavender Microtainer filled to line

Specimen Volume: 1 full tube

Specimen Minimum Volume: 1.5 mL

Collection Instructions: 

1. Tube must be at least 1/2 full.

2. Mix sample by inverting several times.

3. Send specimen in original tube, unspun, room temperature or refrigerated.

4. Sample stable 24 hours at room temperature or refrigerated.

5. Test subject to Medicare National Coverage Decision (NCD).

Specimen Transport Temperature

Room Temperature or Refrigerate

Test Classification and CPT Coding

85048

Test Schedule / Analytical Time / Test Priority / Turn around Time

Daily / 24 Hours / Available STAT / Routine - 4 Hours

                                                        STAT - 60 Minutes

Normal Reference Values

See CBC Reference Ranges

Critical Values

See Critical Value Chart

Methodology

Automated Cell Counter