LOINCActiveObservation

LOINC Code 1578-4: 17-Ketogenic steroids 72 Hr post 40 ug corticotropin IM BID 3 day (24H U) [Mass/Time]

1578-4 is a LOINC code used to identify 17-Ketogenic steroids 72 Hr post 40 ug corticotropin IM BID 3 day (24H U) [Mass/Time] 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-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 day. It is commonly used with the system or sample type Urine.

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-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 day. It is commonly used with the system or sample type Urine.

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-Ketogenic steroids [Mass/time] in 24 hour Urine --72 hours post 40 ug corticotropin IM BID 3 day
  • 17-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 day
  • 1 day; 17KGS; 17-KGS; 24 hours; 24HR; 72h p 40 ug ACTH IM; ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; After; c206; c74; CHEMISTRY.CHALLENGE TESTING; Cortrosyn; III; Ketogen; Ketogenc; Ketognc; Mass rate; mcg; mRate; PST; QNT; Quan; Quant; Quantitative; Rc206; Ste; Steriods; Steroid; Tumor marker; twice a day; UA; UR; Urn

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-Ketogenic steroids 72 Hr post 40 ug corticotropin IM BID 3 day (24H U) [Mass/Time]17-Ketogenic steroids [Mass/time] in 24 hour Urine --72 hours post 40 ug corticotropin IM BID 3 day17KGS 72h p 40 ug ACTH IM 24h Ur-mRate17-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 dayCHAL17-Ketogenic steroids 72 hr after 40 ug Corticotropin Intramuscular BID 3 Day, UrineMRat

Frequently asked questions

Code details

Code1578-4
SystemLOINC
Display name17-Ketogenic steroids 72 Hr post 40 ug corticotropin IM BID 3 day (24H U) [Mass/Time]
Description17-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 day
Short name17KGS 72h p 40 ug ACTH IM 24h Ur-mRate
Component17-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 day
PropertyMRat
Timing24H
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsmg/24 H
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.42

Consumer names

17-Ketogenic steroids 72 hr after 40 ug Corticotropin Intramuscular BID 3 Day, Urine

Part names

17-Ketogenic steroids^72H post 40 ug corticotropin IM BID 3 dayMRat24HUrineQnMass Rate24 hours

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.