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Test Code LAB423 18-Hydroxycorticosterone, Serum

Additional Codes

Mayo Test ID
FHC18

Performing Laboratory

Esoterix Endocrinology
St. Louis Children's Test Catalog Note:

Specimen sent thru Mayo Medical Laboratory to Esoterix Endocrinology

Reporting Name

18-Hydroxycorticosterone, S

Specimen Type

Serum


Specimen Required


Preferred: Red top

Acceptable: SST

Submission Container/Tube: Plastic vial

Specimen Volume: 3 mL

Collection Instructions:

1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.

2. Serum must be separated from cells within 45 minutes of venipuncture. Centrifuge and send 3 mL of serum frozen in a plastic vial.


St. Louis Children's Test Catalog Note:

ATTENTION: Whole blood collection volume to be sent to lab in Gold SST gel tube is 5.0 ml (minimum 2.0). NOTE: The minimum volume does not allow for repeat analysis if required.

Specimen Minimum Volume

1 mL (NOTE: Minimum volume does not allow for repeat analysis.)

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 90 days
  Ambient  24 hours
  Refrigerated  24 hours

Reject Due To

Specimens other than serum or plasma EDTA or green-top heparin Reject

Day(s) Performed

Monday

Report Available

7 to 16 days

Reference Values

Age

Range (ng/dL)

Premature (26-28 weeks) Day 4

10-670

Premature (31-35 weeks) Day 4

57-410

Full-term Day 3

31-546

31 days to 11 months

5-220

12-23 months

18-155

24 months to 9 years

6-85

10-14 years

10-72

Adults

9-58

Adults 8:00 AM Supine

4-21

Adults 8:00 AM Upright

5-46

Method Name

Mass Spectrometry

Test Classification

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FHC18 18-Hydroxycorticosterone, S 1674-1

 

Result ID Test Result Name Result LOINC Value
FHC18 18-Hydroxycorticosterone, S 1674-1