Blood test explanation - Immunology

Immunology

Acute phase proteins

Acute phase proteins are markers of inflammation.

Test	Patient	Lower limit	Upper limit	Unit	Comments
Erythrocyte sedimentation rate (ESR)	Male	0	Age÷2[135]	mm/hr	ESR increases with age and tends to be higher in females.[136]
	Female		(Age+10)÷2[135]
C-reactive protein (CRP)	n/a		5,[137][3] 6[138]	mg/L
			200,[139] 240[139]	nmol/L
Alpha 1-antitrypsin (AAT)		20,[140] 22[141]	38,[141] 53[140]	μmol/L
		89,[142] 97[3]	170,[3] 230[142]	mg/dL