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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Hemoglobin, Whole Blood in a "PICO"® Syringe

Test Code(s): WBHGB / HCWBHGB

CPT Code(s): 85018

Methodology: Spectrophotometry

Request Form: UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: Up to 30 minutes. All requests processed stat.

Specimen Requirements

Specimen: Arterial, venous, or capillary

Patient Preparation: None. For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.

Collection Instructions: Radiometer "PICO"® syringes must be free of bubbles and clots. Two full Radiometer capillaries free of air bubbles and clots are needed for capillary blood.

Collection Container: Preferred: Radiometer PICO® syringe
Also Acceptable: 2 full Radiometer capillary tubes, Green top

Collection Volume: Preferred: 1.5 mL
Pediatrics: 0.5 mL

Sample Analyzed: Whole Blood

Volume Required: Preferred: 1.5 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220) immediately.  Specimen must arrive in the UWHC Core Lab within 30 minutes of collection.

Unacceptable Criteria: Clotted specimens or specimens past stability time are not acceptable.

Stability: Ambient: 1 hour
Frozen: Not acceptable


Reference Interval:
 Age  g/dL
 0 days - 29 days  15.0-24.0
 30 days - 5 months  9.0-18.0
 6 months - 23 months  10.5-14.0
 24 months - 9 years  11.5-14.5
 10 years - 17 years, male  12.5-16.1
 10 years - 17 years, female  12.0-15.0
 18 years and up, male  13.6-17.2
 18 years and up, female  11.6-15.6


Critical Calls: View

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