BF Specific Gravity (SGB)

Department: Hematology
Test Synonym(s): LAB199, SGB
CPT Codes: 84315
Methodology: Refractometer
Reference Range: Not established
Tube Type: Body fluid container
Specimen: Body fluid
Pediatric Requirements: 250 uL
Volume: 1 mL
Minimum Volume: 250 uL
Temperature: Room temperature or refrigerated
Stability: Deliver to the lab immediately
Reasons for Rejection: Clotted, specimen age
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour
Special Instructions: MD to collect, deliver to the laboratory immediately. Indicate source.

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