PTH Intact Fine Needle Aspirate

Also listed as: PTH, Intact, Fine Needle Aspirate
LOINC codes: 31208-2
Tests that measure PTH Intact Fine Needle Aspirate: 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, PTH, Intact, Fine Needle Aspirate 16560

Population	Interval
Not suggestive of parathyroid tissue	<30 pg/mL
Compatible with parathyroid tissue	>100 pg/mL

Quest Diagnostics test catalog, 16560

Tests

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

Quest Diagnostics 1 test

Single-analyte tests

PTH, Intact, Fine Needle Aspirate 16560
1 mL fine needle aspirate (FNA) collected in a sterile transport tube · Fasting not stated · Turnaround Set up: Mon-Sat
Method and collection
Method
Beckman Coulter Chemiluminescent
Collection
A 25-gauge needle is inserted obliquely within the transducer plane of view and moved back and forth (passes) through the nodule to compensate for patient movement and needle deflection. There is no suction device; cells move into the needle via capillary action. After collection of the cytology samples, withdraw between 0.10 and 0.25 mL of saline up through each needle and empty this fluid back through the needle into a tube. This is the needle washing used for analysis. Repeat the passes and saline washings from the same biopsied site and empty contents into the same tube. The washes from all needles are pooled (final volume 1 mL). Inspect specimen for visible blood or tissue contamination. If bloody, centrifuge specimen and transfer supernatant to a new tube to send to the laboratory. The supernatant, not the cellular materials, is used for analysis. If the specimen is clear, centrifugation is not necessary. Freeze immediately and transport frozen sample to laboratory directly. Do not send specimens in glass tubes.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 31208-2
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for PTH Intact Fine Needle Aspirate
Registered studies that measure PTH Intact Fine Needle Aspirate, 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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