Sign in →

Epic Code LAB29 Lithium Level

Important Note

Mint Green Top (Lithium Heparin Gel) tube is not acceptable

Test Name Alias

Lithium Blood Level | 8270

Interface Order Alias


Quick Collect


Ordering Instructions

Inpatients: Please contact your local inpatient pharmacy for information regarding appropriate timing for blood drug level orders, if needed.

Please include a copy of the original order with specimen.

Collection Instructions

Specimen Collection: Blood

Containers: 5.0 mL Gold Top (Serum Separator-SST Gel-Preferred) or 6.0 mL Red Top (no additive)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 1.0 mL

Neonate Volume to Collect: 1.0 mL

Capillary collect ok? Yes

Microtainer acceptable: Yes

Collection Instructions:

  • Indicate date and time of last dose
  • After collection, gently invert tube 8-10 times
  • Specimen should be processed within 4 hours - See Processing Instructions
  • Mint Green Top (Lithium Heparin Gel) tube is not acceptable


Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes

Processes Minimum Volume: 0.5 mL serum

Processing Instructions:

  • Allow blood to clot for 30 minutes in a vertical position and centrifuge within 4 hours.

Transport Temperature: Ambient

Specimen Stability

SERUM (Specimen should be processed within 4 hours)

Ambient: 24 hours

Refrigerate: 72 hours 

Frozen: 6 months

Laboratory Retention: 72 hours

Test Frequency

Available 24 hours, usual TAT 1 day.

Reference Range

0.60-1.20 mmol/L

Laboratory Critical Values Table

Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Zeeland Laboratory, Zeeland, MI





CDM Code


Epic Test ID



Lithium Lvl: 14334-7

Mayo Access Code


Additional Information

Mint Green Top (Lithium Heparin Gel) tube is not acceptable.

Reviewed Date