Tuberculin PPD

LOINC codes: 107605-8, 33193-4, 33641-2
Tests that measure Tuberculin PPD: Quest Diagnostics 1

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Tuberculin PPD-induced Lymphocyte Proliferation 17680

Population	Interval
Tuberculin PPD, CPM	Not established
Tuberculin PPD, SI	≥3 SI
Cell Viability	80-100 %

Quest Diagnostics test catalog, 17680

Tests

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

Quest Diagnostics 1 test

Panels that include this biomarker

Tuberculin PPD-induced Lymphocyte Proliferation 17680
3 analytes · Blood · Fasting not stated · Turnaround Set up: Tues, Thurs-Sat
Method and collection
Method
Cell Culture (CC) • Scintillation Counter
Collection
Whole blood must be transported at room temperature and delivered to the testing laboratory within 48 hours after collection. Maintain and transport blood at room temperature. Avoid temperatures <15° C and >37° C. In hot weather, it may be necessary to pack the specimen in a container with insulating material around it and place this container inside another one that contains a cold pack (ice pack) and absorbent material. This method will help retain the specimen at ambient temperature. For longitudinal studies, draw specimens at the same time of day to minimize diurnal variation. Clients: Contact the lab prior to ordering for special logistics arrangements. PSC: Follow Short Stability Protocol. Test available by prior arrangement only. Special sample collection and transportation arrangements must be made prior to ordering the test. Contact your local Customer Service Department and request to speak to someone in Referral Testing Department for specific instructions. Submit Monday-Thursday only. Do not draw day before a holiday. Samples received in testing lab >48 hours after collection will be rejected. Date and time of draw are required and must be provided.
Quest Diagnostics catalog page

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Sources

Check the guidelines, studies and lab catalogs behind every range and link on this page. Open a source to see each claim it backs.

Lab catalogs

Quest Diagnostics test menu
Quest Diagnostics
- Test catalog: 1 tests, with codes, specimens, methods and reference intervals
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Codes and registries

LOINC 107605-8, 33193-4, 33641-2
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Tuberculin PPD
Registered studies that measure Tuberculin PPD, on the U.S. National Library of Medicine registry.

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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