SelfPayRates — hospital cash prices, from the source

Partial thromboplastin time (PTT) clotting test in Longview-Kelso, WA

Cash prices at 1 facility for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Hospital		Cash price	List price	Off	File date
St. John Medical Center LONGVIEW, WA COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD		$76.70	$118.00	35%	— file
St. John Medical Center LONGVIEW, WA THROMBOPLASTIN TIME PARTIAL		$80.60	$124.00	35%	— file

Outpatient: lowest $76.70, median $78.65, highest $80.60 — a 1.1× difference within the same market.

Other markets for this procedure