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Finding Code Systems


Reasons that a value associated with a test or other finding is missing.

Code Display
missing_noexplanation The reason the information is not present is not known.
missing_nonesuch The answer is missing because nothing of a type of thing is known to exists, e.g., the siblings of an only child. Also use this code to represent a 'none of the above' answer
missing_collection Missing due to a problem collecting, identifying, or locating the specimen, including patient refusal or unable to provide specimen
missing_specimen Missing due to a problem with the specimen, e.g. contamination, clotting, improper tube type, improper storage, too small, etc.
missing_malfunction Missing due to instrument malfunction.