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Test Code Caffeine Caffeine Level

Clinical System Name

Caffeine Level

Synonyms

Caffeine Level

Sample Requirements

Specimen: Whole Blood

Container(s): Dark Green/Sodium Heparin or Red or Gold SST

Preferred Vol: 1.0 mL

Minimum Vol: 0.2 mL

 

Note: Trough levels preferred. Serum/plasma must be removed from gel SST within 24 hours of collection.

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Aliquot 0.1 - 0.5 mL serum. This test is always STAT. When a Send Outs team member is present, notify them IMMEDIATELY, otherwise IMMEDIATELY send sample directly to HMC via Delivery Express.

 

Off-site collection:

Stability

Specimen Type Temperature Time
  Room temp  
  Refrigerated  
  Frozen  

 

Availability

STAT Performed TAT
Y Daily 1 d

 

Performing Laboratory

Harborview Medical Center

Department

Harborview Medical Center

Room GWH47; 325 9th Ave
Seattle, WA 98104
 

Phone Number: (206) 744-3451

 

Reference Range

 

  Females (mcg/mL) Males (mcg/mL)
0 - 18 yrs 5 - 20 5 - 20
19 yrs - 5 - 15 5 - 15

 

Methodology

Method: EMIT

Analytical Volume: None specified

Limitations:

CPT Codes

80299

 

Send Out Instructions

 

Reference Test Name: CAFFEINE
Reference Test Number: CAFQN
Instructions: This test is always STAT. Send all STATS to HMC via Delivery Express. Keep a copy of the batch sheet for our lab records.