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Pentobarbital, Serum

Additional Codes

Primary ID

Epic Code

Mayo Test ID

PENTO

LAB2418 PENTS

 

Reporting Name

Pentobarbital, S

Useful For

Monitoring of pentobarbital therapy treatment

Method Name

Gas Chromatography-Mass Spectrometry (GC-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum Red


Specimen Required


Collection Container/Tube: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1.2 mL

Collection Instructions:

1. Draw blood immediately before next scheduled dose.

2. Within 2 hours of collection, the specimen must be centrifuged and the serum aliquoted into a plastic vial.


Specimen Minimum Volume

0.7 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Red Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia OK
Gross icterus OK

Reference Values

Therapeutic range

Hypnotic: 1-5 mcg/mL

Therapeutic coma: 20-50 mcg/mL

Reducing intracranial pressure: 30-40 mcg/mL

This degree of sedation requires artificial respiratory support.

Toxic concentration: >10 mcg/mL

Day(s) and Time(s) Performed

Wednesday; 12 a.m.

CPT Code Information

80345

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PENTS Pentobarbital, S 3924-8

 

Result ID Test Result Name Result LOINC Value
8239 Pentobarbital, S 3924-8

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Analytic Time

1 day

Specimen Retention Time

14 days

NY State Approved

Yes

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.