Exhibit 3.310

            PAGE 1

The First State

I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED ARE TRUE AND CORRECT COPIES OF ALL DOCUMENTS ON FILE OF “SPOKANE WASHINGTON HOSPITAL COMPANY, LLC” AS RECEIVED AND FILED IN THIS OFFICE.

THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

CERTIFICATE OF FORMATION, FILED THE NINTH DAY OF OCTOBER, A.D. 2007, AT 2:21 O’CLOCK P.M.

AND I DO HEREBY FURTHER CERTIFY THAT THE AFORESAID CERTIFICATES ARE THE ONLY CERTIFICATES ON RECORD OF THE AFORESAID LIMITED LIABILITY COMPANY, “SPOKANE WASHINGTON HOSPITAL COMPANY, LLC”.

		/s/    Jeffrey W. Bullock
		Jeffrey W. Bullock, Secretary of State
4436798    8100H		AUTHENTICATION:	9120321
111142276		DATE:	10-27-11
You may verify this certificate online at corp.delaware.gov/authver.shtml

STATE of DELAWARE

LIMITED LIABILITY COMPANY

CERTIFICATE of FORMATION

• First: The name of the limited liability company is Spokane Washington Hospital Company, LLC.

• Second: The address of its registered office in the State of Delaware is 2711 Centerville Road, Suite 400 in the City of Wilmington (New Castle County). The name of its Registered agent at such address is Corporation Service Company.

• Third: (Use this paragraph only if the company is to have a specific effective date of dissolution.) “The latest date on which the limited liability company is to dissolve is                                          .”

• Fourth: (Insert any other matters the members determine to include herein.)

In Witness Whereof, the undersigned have executed this Certificate of Formation of Spokane Washington Hospital Company, LLC this 9 day of October, 2007.

BY:	/s/    Robin J. Keck
	Authorized Person(s)
NAME:	Robin J. Keck, Organizer
	Type or Print

State of Delaware

Secretary of State

Division of Corporations

Delivered 02:39 PM 10/09/2007

FILED 02:21 PM 10/09/2007

SRV 071096597 – 4436798 FILE