Hexosaminidase Total, S

LOINC codes: 1956-2
Tests that measure Hexosaminidase Total, S: 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, Hexosaminidase A and Total Hexosaminidase, Serum 34841

Population	Interval
Hexosaminidase Total	Not stated
≤15 years	≥20 nmol/min/mL
≥16 years	10.4-23.8 nmol/min/mL
Hexosaminidase Percent A	Not stated
≤15 years	20-90%
≥16 years	56-80%

Quest Diagnostics test catalog, 34841

Tests

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

Quest Diagnostics 1 test

Panels that include this biomarker

Hexosaminidase A and Total Hexosaminidase, Serum 34841
2 analytes · Serum · Fasting not stated · Turnaround Set up: Tues; Report available: 15 days
Method and collection
Method
Heat Inactivation • Fluorometric • Automated
Collection
If females wish screening for carrier status of Hexosaminidase A Deficiency, they must be tested prior to pregnancy. If the female is pregnant, we strongly suggest that her mate be tested for carrier status. Positive (or ambiguous) findings in the mate indicate a second order test on the female with leukocyte preparations. Refer to 16330 (Mayo code NAGR) Hexosaminidase A and Total, Leukocytes/Molecular Reflex or 34842 (Mayo code NAGW) Hexosaminidase A and Total Hexosaminidase, Leukocytes for carrier detection and diagnosis of Tay-Sachs disease. Note: Serum assay results are often ambiguous on pregnant females and will not be run. New York state clients: Informed consent is required. Please document on the request form or electronic order that a copy is on file.
Quest Diagnostics catalog page

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Sources

Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 1956-2
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for Hexosaminidase Total, S
Registered studies that measure Hexosaminidase Total, S, 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.

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