87552-6
LOINC Code
| LOINC code | 87552-6 | ||||||
|---|---|---|---|---|---|---|---|
| name | |||||||
| description | This panel contains quantitative results for IgA and IgA subclasses 1 and 2 in serum. IgA1 is the dominant subclass, accounting for over 80% of total serum IgA. IgA2 is more concentrated in secretions and thought to be more functionally active than IgA1. IgA testing may be performed for the diagnosis of abnormal protein metabolism, to determine the cause of an immune deficiency due to an IgA deficiency, or to determine the cause of an anaphylactic transfusion reaction. Such patients are found to have no detectable levels of IgA or complete deficiency of one of the IgA subclasses. A deficiency in one IgA subclass may result in a corresponding increase in the other IgA subclass. When very high levels of either IgA subclass are reported, IgA myeloma is suspected. | ||||||
| status | ACTIVE | ||||||
Fully-Specified Name | |||||||
| component | IgA & IgA subclass 1 & IgA subclass 2 panel | ||||||
| property | - | ||||||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||||
| system | Ser/Plas Ser = Serum Plas = Plasma | ||||||
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | ||||||
| method | |||||||
Additional Names | |||||||
| short name | Chemistry; i; IgA + IgA1 + IgA2 Pnl; IgA1; IgA2; II; Immune globulin A; Immunoglobulin A; Pan; PANEL.CHEMISTRY; Panl; Pl; Plasma; Plsm; Pnl; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Subclasse | ||||||
Basic Attributes | |||||||
| class | PANEL.CHEM | ||||||
| type | 1 Laboratory | ||||||
| order vs. observation | IgA + IgA1 + Ig | ||||||
Panel Components | |||||||
| |||||||
History/Usage | |||||||
| first released | |||||||
| last updated | 2.63 | ||||||
| last change type | ADD - added | ||||||
Related Names | |||||||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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