Concept Code	Concept Name	Preferred Concept Name	Code System
	D	Deletes the OBX record	Deletes the OBX record	Observation result status (HL7)	Details
	F	Final results; Can only be changed with a corrected result.	Final results; Can only be changed with a corrected result.	Observation result status (HL7)	Details
	N	Not asked; used to affirmatively document that the observation identified in the OBX was not sought when the universal service ID in OBR-4 implies that it would be sought.	Not asked; used to affirmatively document that the observation identified in the OBX was not sought when the universal service ID in OBR-4 implies that it would be sought.	Observation result status (HL7)	Details
	O	Order detail description only (no result)	Order detail description only (no result)	Observation result status (HL7)	Details
	S	Partial results	Partial results	Observation result status (HL7)	Details
	W	Post original as wrong, e.g., transmitted for wrong patient	Post original as wrong, e.g., transmitted for wrong patient	Observation result status (HL7)	Details
	P	Preliminary results	Preliminary results	Observation result status (HL7)	Details
	C	Record coming over is a correction and thus replaces a final result	Record coming over is a correction and thus replaces a final result	Observation result status (HL7)	Details
	X	Results cannot be obtained for this observation	Results cannot be obtained for this observation	Observation result status (HL7)	Details
	R	Results entered -- not verified	Results entered -- not verified	Observation result status (HL7)	Details
	U	Results status change to final without retransmitting results already sent as _preliminary._ E.g., radiology changes status from preliminary to final	Results status change to final without retransmitting results already sent as _preliminary._ E.g., radiology changes status from preliminary to final	Observation result status (HL7)	Details
	I	Specimen in lab; results pending	Specimen in lab; results pending	Observation result status (HL7)	Details