Specimen

Pediatric only, Serum

Collection Medium:

Minimum:

Preferred minimum: 1.0 ml serum
Peds absolute minimum:  0.2 ml serum

Delivery Instructions:

Deliver to laboratory immediately after collection.

Analytic Time:

1 week

Reference Range:

Dehydroepiandrosterone (DHEA):
                       RANGE        MEAN
                      (ng/dl)      (ng/dl)
PREMATURE INFANTS:
26-28 Weeks, Day 4:  236 - 3640      941
31-35 Weeks, Day 4:   80 - 3150      811
FULL-TERM INFANTS:
3 Days:               65 - 1250      570
7 - 30 days           50 -  760      285
1 -  6 months         26 -  385      113
6 - 12 months         20 -  100       40
PREPUBERTAL CHILDREN:
1 - 6 years           20 -  130       29
6 - 8 years           20 -  275       93
Values begin to increase progressively at about six years of age prior 
to any physical evidence of puberty.
8 - 10 years          31 -  345      156
PUBERTY:           MALE                                FEMALE
TANNER   AGE       RANGE   MEAN      TANNER   AGE       RANGE   MEAN
STAGE  (years)    (ng/dl) (ng/dl)    STAGE   years)    (ng/dl) (ng/dl)
  1       < 9.8    31-345   156        1       < 9.2    31-345   156
  2    9.8-14.5   110-495   300        2    9.2-13.7   150-570   330
  3   10.7-15.4   170-585   390        3   10.0-14.4   200-600   385
  4   11.8-16.2   160-640   395        4   10.7-15.6   200-780   430
  5   12.8-17.3   250-900   505        5   11.8-18.6   215-850   540
ADULTS:
      20-50 years 160-800   455

Methodology:

Radioimmunoassay (RIA) after solvent extraction

CPT Code:

82626

See also:
Dehydroepiandrosterone Sulfate, Serum or Plasma

See Additional Information:
Specimens Requiring Immediate Delivery