Diagnostic

a.	1.	Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.
n.	1.	The mark or symptom by which one disease is known or distinguished from others.

Adj.	1.	diagnostic - concerned with diagnosis; used for furthering diagnosis; "a diagnostic clinic"; "a diagnostic reading test"; "diagnostic information"
	2.	diagnostic - characteristic or indicative of e.g. a disease; "a diagnostic sign of yellow fever"; "diagnostic information"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown" Synonyms: symptomatic, symptomatic of

characteristic, characterizing, connotative, constructional, constructive, contrastive, definitional, demonstrative, denominative, denotative, descriptive, designative, diacritical, differencing, differential, differentiative, discriminating, discriminative, distinctive, distinguishing, emblematic, evidential, exegetic, exhibitive, expressive, figural, figurative, hermeneutic, identifying, ideographic, idiosyncratic, implicative, indicating, indicative, indicatory, individual, individualizing, individuating, interpretational, interpretive, meaningful, metaphorical, naming, pathognomonic, peculiar, personalizing, proper, representative, semantic, semeiological, semiotic, separative, signalizing, significant, significative, signifying, suggestive, symbolic, symbolistic, symbological, symptomatic, symptomatologic, symptomatological, tropological, typical