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Catalog ID F68KD 68kD (hsp-70)

Important Note

CPOE TEST NAME:  Ref 68kD(hsp-70) Antibodies

Note: All orders for this test will undergo Pathology review for medical necessity.

Reporting Name

68kD (hsp-70) antibodies
AUMC Laboratory Catalog Note:

Antibodies to inner ear antigen (68kD) occur in approximately 70% of patients with autoimmune hearing loss. The antibody tests to this 68kD antigen parallel with disease activity. In addition, a majority of patients positive for antibodies to 68kd are responsive to corticosteroid treatment.

Performing Laboratory

IMMCO Diagnostics, Inc.

Specimen Type


Specimen Required

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 3 mL of serum frozen in a plastic vial.

AUMC Laboratory Catalog Note:

Collect 6.0 mL blood in Red top tube.

Specimen Minimum Volume

2.0 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 365 days
  Refrigerated  5 days
  Ambient  48 hours

Reference Values

Qualitative test – Positive or Negative


Day(s) and Time(s) Performed

Twice per week

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
F68KD 68kD (hsp-70) antibodies 43597-4


Result ID Test Result Name Result LOINC Value
Z0909 68kD (hsp-70) antibodies 43597-4

Reject Due To

Hemolysis NA
Lipemia NA
Icterus NA
Other NA

Test Classification

This test has been developed and performance parameters have been validated by IMMCO Diagnostics, Inc. This test has not been approved by the U.S. Food and Drug Administration (FDA); however, US FDA approval is not required for clinical use. It is not intended that clinical diagnosis and patient management decisions be made using these results alone. This test has been validated using serum samples. The manufacturer has not determined the efficacy of this test when performed on CSF, plasma, joint or pleural fluid specimens. The performance characteristics of this test were determined by IMMCO Diagnostics Inc.

Method Name

Line Blot