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Test Code ACTHM Adrenocorticotropic Hormone, Plasma

Additional Codes

Mayo ACTH
Epic ID LAB511

 

Specimen Type

Plasma EDTA


Necessary Information


Separate specimens should be submitted when multiple tests are ordered.



Specimen Required


Patient Preparation: For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7).

Supplies: Sarstedt 5 mL Aliquot Tube (T914)

Collection Container/Tube: Ice-cooled, lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Morning (7 a.m.-10 a.m.) specimen is desirable.

2. Collect with a pre-chilled lavender top (EDTA) tube and transport to the laboratory on ice.

3. Within 2 hours of collection centrifuge at refrigerated temperature and immediately separate plasma from cells.

4. Immediately freeze plasma.


Specimen Minimum Volume

0.75 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen (preferred) 28 days
  Refrigerated  3 hours
  Ambient  2 hours
UPH Waterloo Region Lab Test Catalog Note:

Transport frozen.

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Method Name

Electrochemiluminescence Immunoassay

Useful For

Determining the cause of hypercortisolism and hypocortisolism

Day(s) Performed

Monday through Saturday

Report Available

1 to 3 days

Reference Values

7.2-63 pg/mL (a.m. draws)

Reference ranges are based on samples drawn between 7 a.m.-10 a.m.

No established reference values for p.m. draws

Pediatric reference values are the same as adults, as confirmed by peer reviewed literature.

 

Petersen KE. ACTH in normal children and children with pituitary and adrenal diseases. I. Measurement in plasma by radioimmunoassay-basal values. Acta Paediatr Scand. 1981;70(3):341-345

 

For International System of Units (SI) conversion for Reference Values, see www.mayocliniclabs.com/order-tests/si-unit-conversion.html.

CPT Code Information

82024