Crystals, Synovial/Joint Fluid

TEST: 005355
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CPT: 89060
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Test Includes

Determination of presence of crystals in body fluids

Special Instructions

Test request form(s) must state source of fluid.

Expected Turnaround Time

Within 1 day

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

Specimen Requirements

Specimen

Synovial fluid only.

Volume

1 mL

Container

Green-top (heparin) tube (preferred) or lavender-top (EDTA) tube. Slide is not preferred but is acceptable.

Collection

Container must state collection site.

Storage Instructions

Refrigerate.

Stability Requirements

Temperature

Period

Room temperature

Unstable

Refrigerated

2 days (48 hours)

Frozen

Unstable

Freeze/thaw cycles

Unstable

Causes for Rejection

Clotted specimen; frozen specimen; improper labeling; gel-barrier tube

Test Details

Use

Determine the cause of inflammation

Methodology

Polarized light

Reference Interval

None seen

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
005355 Crystal,Synovial/Joint Fl 6825-4 005355 Crystal,Synovial/Joint Fl 6825-4

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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf