LOINCActiveBoth

LOINC Code 85363-0: 21-Hydroxylase Ab Ql (S)

85363-0 is a LOINC code used to identify 21-Hydroxylase Ab Ql (S) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component 21-Hydroxylase Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 21-Hydroxylase Ab. It is commonly used with the system or sample type Ser.

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

What it does not mean

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

Key facts

  • 21-Hydroxylase Ab [Presence] in Serum
  • 21-Hydroxylase Ab
  • 21Hydroxylase; 21-Hydroxylase p450c21; 21-OH; ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Hydroxyl; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serology; Serum; SR; Steroid 21-hydroxylase; Steroid 21-monooxygenase

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

21-Hydroxylase Ab Ql (S)21-Hydroxylase Ab [Presence] in Serum21Hydroxylase Ab Ser Ql21-Hydroxylase AbSERO21-Hydroxylase antibody, BloodPrThr

Frequently asked questions

Code details

Code85363-0
SystemLOINC
Display name21-Hydroxylase Ab Ql (S)
Description21-Hydroxylase Ab
Short name21Hydroxylase Ab Ser Ql
Component21-Hydroxylase Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.61
Last changed2.67

Consumer names

21-Hydroxylase antibody, Blood

Part names

21-Hydroxylase AbPrThrPtSerOrdPresence or ThresholdPoint in time (spot)Serum

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 85363-0 | HealthAssure