Opened 3 years ago

Last modified 3 years ago

#161 new enhancement

Add AI UCUM

Reported by: mcgowas Owned by:
Priority: minor Milestone:
Component: Keywords:
Cc:

Description

Please add the UOM AI for Avidity Index to the UCUM standard for the autoimmune antibody testing (LUPUS) Ribosomal P SM RNP SSA/SSB SCL-70 Thyroid Peroxidase A

Change History (3)

comment:1 Changed 3 years ago by gschadow

Would you have a literature reference? I have Googled and can not find the unit "Activity Index" described.

comment:2 Changed 3 years ago by gschadow

I have verified your user account, so from now on you can comment directly on the tickets.

Thanks for your reply. You wrote:

Quest Diagnostics reports AI (avidity index) on their autoimmune antibody test which uses Immunoassay. It can also be called Affinity Index as I've seen these two terms used interchangeably.

The literature can be found here:

comment:3 Changed 3 years ago by gschadow

Aha, first I have misread, "avidity". Sorry for that mistake.

So, now we just need to find a crisp definition of the Avidity Index as a unit. Particularly, can you speak about how much avidity index values are comparable between the Abbott assay and another company's assay? Or is it an Abbott specific measure?

Also, would you consider whether AI is not really a unit at all. AI is an index, an observation. You need a LOINC code for it for sure (is there one?) And once you have a LOINC code, why do you need a unit?

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