What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 27996-8: 17-Hydroxyprogesterone baseline [Mass/Vol]

Name: LOINC Code 27996-8: 17-Hydroxyprogesterone baseline [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:14.572Z

27996-8 is a LOINC code used to identify 17-Hydroxyprogesterone baseline [Mass/Vol] 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 17-Hydroxyprogesterone^baseline. It is commonly used with the system or sample type Ser/Plas.

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 17-Hydroxyprogesterone^baseline. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

17-Hydroxyprogesterone [Mass/volume] in Serum or Plasma --baseline
17-Hydroxyprogesterone^baseline
17-alpha-hydroxyprogesterone; 17-Hydroxypregn-4-en-3,20-dione; 17-hydroxy-progest; 17-OH Progesterone; 17OHP; 17-OHP; 17-P; BS; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Genetics; Heredity; Heritable; Hydroxyproges; Hydroxyprogstron; Inherited; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

17-Hydroxyprogesterone baseline [Mass/Vol]17-Hydroxyprogesterone [Mass/volume] in Serum or Plasma --baseline17OHP BS SerPl-mCnc17-Hydroxyprogesterone^baselineCHAL17-Hydroxyprogesterone baseline, BloodMCnc

Frequently asked questions

Code details

Code27996-8

SystemLOINC

Display name17-Hydroxyprogesterone baseline [Mass/Vol]

Description17-Hydroxyprogesterone^baseline

Short name17OHP BS SerPl-mCnc

Component17-Hydroxyprogesterone^baseline

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsng/dL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.00

Last changed2.73

Consumer names

17-Hydroxyprogesterone baseline, Blood

Part names

17-Hydroxyprogesterone^baselineMCncPtSer/PlasQnMass ConcentrationPoint in time (spot)Serum or Plasma

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.