Iron storage marker used in fatigue, hair-loss and anaemia work-ups. Interpret alongside CRP because it rises with inflammation.
Quick answer: Ferritin is ordered as a single LOINC-coded assay (2276-4) on a Serum separator tube · 2 mL specimen, runs in a CLIA-certified laboratory, and returns structured results in 24 h for US$26 per test.
{`{
"order_id": "ord_9f2c",
"test": { "loinc": "${test.loinc}", "name": "${test.name}" },
"specimen": "${test.sample}",
"status": "final",
"results": [
{ "analyte": "…", "value": 0, "unit": "…",
"ref_range": "…", "flag": "normal" }
],
"performed_by": { "lab": "CLIA 05D…", "npi": "…" }
}`}The standard vitamin D status marker. High-volume test in wellness subscriptions because it changes behaviour — and repeats quarterly.
Yes, with the right clinical wrapper. Consumer-initiated testing in the US requires an ordering clinician or a patient-authorized direct-access model depending on the state. We support both: bring your own clinician network, or use our clinical review partners.
Three formats, all from the same order: a signed webhook event, a LOINC-coded JSON payload with reference ranges and abnormal flags, and a PDF report. FHIR DiagnosticReport export is available on the platform plan.
You pay per test. Sandbox keys are free, and pricing in production starts at the listed catalog price with volume tiers from 500 tests per month. There is no setup fee and no per-seat licence.
PHI is encrypted at rest and in transit, access is logged, and we sign BAAs with covered entities. Data residency options exist for EU and UK customers under GDPR. Full details are on the compliance page.