Immunoassay (Blood Hormones)
Comprehensive hormone testing for thyroid, reproductive, and adrenal function. Clear, timely reports support diagnosis and longitudinal care.
Accurate endocrine assessment
SDI Labs offers a broad immunoassay menu with calibrated controls and rigorous quality checks. Results are reported with reference intervals and clinical flags to simplify interpretation.
*After specimen receipt.
Collection Overview
- Preferred matrix: Serum (SST) or Plasma (per analyte)
- Follow standard phlebotomy; allow clot, centrifuge per kit
- Label with two identifiers; maintain temperature/transport per instructions
Include a completed requisition and relevant ICD-10 codes with each specimen.
Common Hormone Tests
Thyroid
- TSH
- Free T4, Free T3
- Total T4, Total T3 (as needed)
Adrenal
- Cortisol (AM/PM)
- ACTH (as configured)
- DHEA-S
Reproductive
- Testosterone (Total/Free)
- Estradiol / Estrogen profile
- Progesterone
- LH / FSH
- Prolactin
Metabolic & Others
- Insulin
- Vitamin D (25-OH)
- Ferritin (by immunoassay where applicable)
Full directory available on request; additional analytes may be available by arrangement.
How to Order
- Complete requisition with provider signature and ICD-10 codes
- Attach insurance copy (front/back) or indicate client bill/self-pay
- Package per kit; schedule pickup / UPS shipping / dropbox
Clinical Notes
- Reference ranges and clinical flags provided on reports
- Consider diurnal variation (e.g., Cortisol AM vs PM)
- Medication, cycle phase, and age/sex may influence results
Coverage & Billing
We work with a broad payor network. Patients may be responsible for copays/deductibles per plan. Client billing available by arrangement.
Certifications
- CAP Number: 4495301-01
- CLIA: 05D0642622
- NPI: 1407878358
- HIPAA-compliant PHI handling and secure delivery
Frequently Asked
Do I need AM vs PM Cortisol?
Yes—Cortisol is diurnal. Collect at the time specified by your clinical question (AM baseline vs PM).
Which tube type is preferred?
Serum separator tubes (SST) are typical for many analytes. Some tests may require specific tubes—confirm with SDI.
Can I batch orders for standing patients?
Yes—standing orders can be arranged for follow-up monitoring. Contact our team for setup.
Ready to order?
Request the immunoassay requisition or become a client to begin ordering.