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LOINC Code 60681-4: Cortisol Free 1 Hr post dose corticotropin [Mass/Vol]

60681-4 is a LOINC code used to identify Cortisol Free 1 Hr post dose corticotropin [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 Cortisol.free^1H post dose corticotropin. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Cortisol.free^1H post dose corticotropin. 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

  • Cortisol Free [Mass/volume] in Serum or Plasma --1 hour post dose corticotropin
  • Cortisol.free^1H post dose corticotropin
  • 1 hour; 1.0Hr; 17-Hydroxycorticosterone; 1h p ACTH; 60 min; 60 minutes; 60M; 60min; ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; After; c206; c74; CHEMISTRY.CHALLENGE TESTING; Compound F; Coritsol; Cort; Cortis F; Cortrosyn; F; FR; hydrocortisone; Level; Mass concentration; Non-protein bound; p ACTH; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Rc206; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Tumor marker

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

Cortisol Free 1 Hr post dose corticotropin [Mass/Vol]Cortisol Free [Mass/volume] in Serum or Plasma --1 hour post dose corticotropinCortis F 1h p ACTH SerPl-mCncCortisol.free^1H post dose corticotropinCHALFree cortisol 1 hr after Corticotropin, BloodMCnc

Frequently asked questions

Code details

Code60681-4
SystemLOINC
Display nameCortisol Free 1 Hr post dose corticotropin [Mass/Vol]
DescriptionCortisol.free^1H post dose corticotropin
Short nameCortis F 1h p ACTH SerPl-mCnc
ComponentCortisol.free^1H post dose corticotropin
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsug/dL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.34
Last changed2.73

Consumer names

Free cortisol 1 hr after Corticotropin, Blood

Part names

Cortisol.free^1H post dose corticotropinMCncPtSer/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.