103812-4
ClinicalPatient state index Cerebral cortex Electroencephalogram (EEG)
Definition
PSi (Patient State index) is a processed EEG parameter related to the effect of anesthetic agents provided during neurosurgery and major back surgery. PSI has no units and ranges from 0 (fully suppressed EEG) to 100 (consistent with fully awake). Most values are with the 15 to 85 range
LOINC 6-Axis Classification
Component
Patient state index
Property
Score
Time Aspect
Pt
System
Cerebral cortex
Scale Type
Qn
Method Type
EEG
Details
Class
NEURO
Order/Observation
Both
Short Name
PSi Scre Ctx EEG
Related Names
Frequently Asked Questions
What is LOINC code 103812-4?
LOINC code 103812-4 identifies "Patient state index Cerebral cortex Electroencephalogram (EEG)". PSi (Patient State index) is a processed EEG parameter related to the effect of anesthetic agents provided during neurosurgery and major back surgery. PSI has no units and ranges from 0 (fully suppressed EEG) to 100 (consistent with fully awake). Most values are with the 15 to 85 range
What does 103812-4 measure?
This code measures Patient state index in Cerebral cortex. It belongs to the NEURO class in the LOINC classification.
What is LOINC?
LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.