Observation Reference Range Meaning Codes

http://terminology.hl7.org/CodeSystem/referencerange-meaning

This value set defines a set of codes that can be used to indicate the meaning/use of a reference range for a particular target population.

Concepts (13)

Code	Display	Definition
type	Type	General types of reference range.
normal	Normal Range	Values expected for a normal member of the relevant control population being measured. Typically each results producer such as a laboratory has specific normal ranges and they are usually defined as within two standard deviations from the mean and account for 95.45% of this population.
recommended	Recommended Range	The range that is recommended by a relevant professional body.
treatment	Treatment Range	The range at which treatment would/should be considered.
therapeutic	Therapeutic Desired Level	The optimal range for best therapeutic outcomes.
pre	Pre Therapeutic Desired Level	The optimal range for best therapeutic outcomes for a specimen taken immediately before administration.
post	Post Therapeutic Desired Level	The optimal range for best therapeutic outcomes for a specimen taken immediately after administration.
endocrine	Endocrine	Endocrine related states that change the expected value.
pre-puberty	Pre-Puberty	An expected range in an individual prior to puberty.
follicular	Follicular Stage	An expected range in an individual during the follicular stage of the cycle.
midcycle	MidCycle	An expected range in an individual during the midcycle stage of the cycle.
luteal	Luteal	An expected range in an individual during the luteal stage of the cycle.
postmenopausal	Post-Menopause	An expected range in an individual post-menopause.