Aldosterone (Sendout)

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General Information

Lab Name
Aldosterone (Sendout)
Lab Code
RDOSTG
Epic Name
Aldosterone (Sendout)
External Test Id
ALDS
Description

Useful For: Investigation of primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter syndrome).

Synonyms
ALDS
Components
Code Name
RALDSS Aldosterone Sampling Site
RDOST Aldosterone

Interpretation

Method

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reference Range
See individual components
Ref. Range Notes
Age Reference Value
0-30 days: 17-154 ng/dL¹
31 days-11 months: 6.5-86 ng/dL¹
1-10 years (supine): < or =40 ng/dL¹
1-10 years (upright): < or =124 ng/dL¹
> or =11 years: < or =21 ng/dL (a.m. peripheral vein specimen)

1. Loeuille GA, Racadot A, Vasseur P, Vandewalle B: Blood and urinary aldosterone levels in normal neonates, infants and children. Pediatrie 1981;36:335-344.

Ordering & Collection

Specimen Type
Blood
Collection

Collect 6 mL blood in RED TOP tube or GOLD SST

Collection Instructions: 8 a.m. draw time (after the patient is active for 2 hours) is recommended; preferably no later than 10 a.m.

Quantity
Requested: 1.2 mL serum
Minimum: 1.2 mL serum

Processing

Receiving Instructions

Centrifuge sample and transfer serum to a separate plastic vial. Freeze serum at -20°C.

Result-at-entry:

  • RALDSS (Aldosterone Sampling Site): <enter the specimen collection site, or INP if not provided.>
    • Examples: PERP (peripheral), RARM (Right Arm), LARM (Left Arm), ANTE (Antecubital), LANT (Left Antecubital), RANT (Right Antecubital).

Sendouts:

  • Order Mayo Test: ALDS.
  • If collection is site specific, indicate the collection site under "Report Notes" in the MayoAccess order.

Stability: Frozen: 30 days; Refrigerated: 28 days; Ambient: 4 days.

Misc Sendout

Performance

Lab Department
Sendouts Mayo Lab (FZ)(MAFZ)
Frequency
Performed: Monday-Friday at 4 p.m. Analytic Time: 2 days.
Available STAT?
No
Performing Location(s)
Sendout Mayo Clinic Laboratories (Superior Drive)
800-533-1710

3050 Superior Drive NW
Rochester, MN 55901

Billing & Coding

CPT Codes
82088
LOINC
1763-2
Interfaced Order Code
UOW2435