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Biomarkers · Chemical

PTH, Intact

This test measures the level of parathyroid hormone (PTH) in your blood. PTH, is made by your parathyroid glands.

Parathyroid Hormone (PTH) Test, MedlinePlus, National Library of Medicine

Primary unit
pg/mL
LOINC codes
2731-8
Tests that measure PTH, Intact
Labcorp 3, Quest Diagnostics 2

Ranges

Compare the reference ranges labs publish with guideline targets, diagnostic cut-offs, study-based ranges and practitioner targets. Move across the rows to check a value against each range, and open a source from the legend. How to read these ranges

PTH, Intact, pg/mL

Labs
  • Lab reference ranges1 lab
All 1 published ranges, with sources

Lab reference ranges

Tests

Check the catalog code, specimen, method and preparation for every test that measures PTH, Intact. Select up to five tests to compare them side by side.

Labcorp 3 tests

Single-analyte tests

  • Parathyroid Hormone (PTH), Intact 015610

    Plasma · Fasting not stated · Turnaround Within 1 day

    Method and collection
    Method
    Electrochemiluminescence immunoassay (ECLIA) This assay is performed on the Roche cobas instrument in multiple laboratories throughout Labcorp.
    Collection
    Transfer separated plasma into a plastic transport tube clearly labeled as "EDTA Plasma" and maintain at refrigerated temperature.
    Reference notes
    See table.1 Intact PTH (pg/mL) Calcium (mg/dL) Interpretation 15−65 | 8.6−10.2 | Normal >65 | >10.2 | Primary hyperparathyroidism >65 | <10.2 | Secondary hyperparathyroidism <65 | >10.2 | Nonparathyroid hypercalcemia <15 | <8.6 | Hypoparathyroidism 15−65 | <8.6 | Nonparathyroid hypocalcemia
    Labcorp catalog page

Panels that include this biomarker

  • Parathyroid Hormone (PTH) Plus Calcium 054601

    2 analytes · Serum · Fasting not stated · Turnaround Within 1 day

    Method and collection
    Method
    Plasma: electrochemiluminescence immunoassay (ECLIA); serum: colorimetric
    Collection
    Transfer separated plasma to a plastic transport tube clearly labeled as EDTA plasma and maintain refrigerated temperature. If red-top tube is used, transfer serum to a plastic transport tube clearly labeled as serum.
    Labcorp catalog page

  • Post-Bariatric Surgery Comprehensive Profile 259090

    50 analytes · Serum · Fasting not stated · Turnaround 5 - 7 days

    Method and collection
    Method
    See individual test components.
    Labcorp catalog page

Quest Diagnostics 2 tests

Single-analyte tests

  • PTH, Intact without Calcium 35202

    Plasma · Fasting not stated · Turnaround Set up: Tues-Sat (Day shift)

    Method and collection
    Method
    Immunoassay (IA)
    Collection
    Centrifuge and transfer EDTA plasma to a transport tube. Label as PLASMA.
    Reference notes
    Parathyroid Hormone, Intact <1 Year | 8-70 pg/mL 1-7 Years | 14-66 pg/mL 8-18 Years | 14-85 pg/mL ≥19 Years | 16-77 pg/mL Interpretive Guide Intact PTH | Calcium Normal Parathyroid | Normal | Normal Hypoparathyroidism | Low or Low Normal | Low Hyperparathyroidism Primary | Normal or High | High Secondary | High | Normal or Low Tertiary | High | High Non-Parathyroid Hypercalcemia | Low or Low Normal | High
    Quest Diagnostics catalog page

Panels that include this biomarker

  • PTH, Intact and Calcium 8837

    2 analytes · Serum · Fasting not stated

    Method and collection
    Method
    PTH: Immunoassay (IA) • Calcium: Spectrophotometry (SP)
    Collection
    Centrifuge and transfer EDTA plasma to a transport tube. Label as PLASMA for the PTH, Intact.
    Reference notes
    Calcium Age | Male (mg/dL) | Female (mg/dL) <1 Month | 8.4-10.6 | 8.4-10.6 1-11 Months | 8.7-10.5 | 8.7-10.5 1-3 Years | 8.5-10.6 | 8.5-10.6 4-19 Years | 8.9-10.4 | 8.9-10.4 20-49 Years | 8.6-10.3 | 8.6-10.2 >49 Years | 8.6-10.3 | 8.6-10.4 Parathyroid Hormone, Intact <1 Year | 8-70 pg/mL 1-7 Years | 14-66 pg/mL 8-18 Years | 14-85 pg/mL ≥19 Years | 16-77 pg/mL Interpretive Guide Intact PTH | Calcium Normal Parathyroid | Normal | Normal Hypoparathyroidism | Low or Low Normal | Low Hyperparathyroidism Primary | Normal or High | High Secondary | High | Normal or Low Tertiary | High | High Non-Parathyroid Hypercalcemia | Low or Low Normal | High
    Quest Diagnostics catalog page

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Goals and conditions

We link PTH, Intact to these goals and conditions from named guidelines and studies.

Sources

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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