LOINC Code 90842-6: PCA-1 Ab Line blot Qn (CSF)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Purkinje cell cytoplasmic type 1 Ab. It is commonly used with the system or sample type CSF.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: Line blot

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• PCA-1 Ab [Units/volume] in Cerebral spinal fluid by Line blot
• Purkinje cell cytoplasmic type 1 Ab
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Anti-Yo-Associated Paraneoplastic Cerebellar Degeneration; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Cytopl; Cytoplas; i; Paraneoplastic syndrome; PCA1; PCA-1; PCCA-1; Point in time; Purkinje cell cytoplasmic antibody; Purkinje cells; QNT; Quan; Quant; Quantitative; Random; Serology; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Yo Ab

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions