Performed

Daily

Collect

4 mL green heparin whole blood

Unacceptable Conditions

Clotted specimens.

Storage/Transport Temperature

Send whole blood. Refrigerate 2-8°C.

Stability (from collection to initiation)

Unopened, refrigerated 4 days. Do Not Freeze.

Referral Lab

Methodist 84th Street, Methodist Women's Hospital 

Methodology

Spectrophotometry

Reference Interval

0.0 - 2.0%
Critical: >20.0%

CPT Codes

82375

LOINC

  • 18767-4
  • 20563-3
Collection

Performed

Daily

Collect

4 mL green heparin whole blood

Unacceptable Conditions

Clotted specimens.

Storage/Transport Temperature

Send whole blood. Refrigerate 2-8°C.

Stability (from collection to initiation)

Unopened, refrigerated 4 days. Do Not Freeze.

Referral Lab

Methodist 84th Street, Methodist Women's Hospital 
Result Interpretation

Methodology

Spectrophotometry

Reference Interval

0.0 - 2.0%
Critical: >20.0%
Administrative

CPT Codes

82375

LOINC

  • 18767-4
  • 20563-3
Includes