Acute renal failure renal acute renal failure

Members Data

MemberID

	Biological sex of member: M = Male; F=Female.

Claims (Level 2) Data

PrimaryConditionGroup	Broad diagnostic categories, based on the relative similarity of diseases and mortality rates, that generalize the primary diagnosis codes (ICD-9-CM) [2].
CharlsonIndex

	Indicates if the NULL value for the LengthOfStay variable is due to suppression done during the de-identification process. A value of 1 indicates that suppression was applied.

Drug Count Data

	Member pseudonym.
Year

	Count of unique laboratory and pathology tests by DSFS. Values above 9, the 95% percentile after excluding counts of zero, are top-coded as “10+”.

Outcome Data

Procedure groups refer to broad categories of procedures, grouped according to the hierarchical

structure defined by the Current Procedural Terminology [3].

	DESCRIPTION & INCLUDED CPT CODES

EVALUATION AND MANAGEMENT EM	Office or other outpatient services, hospital observation services, hospital inpatient services, consultations, emergency department services, critical care services, continuing intensive care services, nursing facility services, domiciliary, rest home, or custodial care services, home services, prolonged services, case management services, care plan oversight services, preventive medicine services, special evaluation and management services, and other manual and management services.

PATHOLOGY AND LABORATORY PL	Organ or disease panels, drug testing, therapeutic drug assays, evocative and suppression testing, consultations, urinalysis, chemistry, molecular diagnostics, infectious agent: detection of antibodies, microbiology infectious agent detection, anatomic

SMCD	Maternity care and delivery. 59000-59899

SURGERY-NERVOUS SYSTEM SNS	Skull, meninges, and brain, spine and spinal cord, and extracranial nerves, peripheral nerves, and autonomic nervous system.

SURGERY-RESPIRATORY SYSTEM SRS	Nose, accessory sinuses, larynx, trachea and bronchi, and lungs and pleura.

1.3 Grouping ICD-9-CM Codes into Primary Condition Groups

	chemotherapy encounters where cancer not specified. 140-159, 170-173, 175, 176, 185-195, 200, 201, V58.0, V58.1, V66.1, V66.2

	Chest pain, myocardial infarction not specified. Misc. 786.5X, V71.7
CHROIC OBSTRUCTIVE PULMONARY DISORDER
	Chronic renal failure, end-stage renal disease, and kidney transplants. 582, 583, 585-589, 996.81, V42.0xx

METAB1	Diabetic ketoacidosis, with and without coma; hypoglycemic coma; unspecified coma and alteration of consciousness.

	All other fractures and dislocations, including pathologic fractures. 733.1xx, 805-807, 809-819, 822-839, misc. 905, 907, 952

GIOBSENT	Inflammatory bowel disease and malabsorption; gastrointestinal obstruction; enteritides.

	rheumatoid arthritis).

OTHER RENAL RENAL3	All other renal diseases other than infections. Miscellaneous 405s, 591-608, misc. other codes


PERICARDITIS PERVALV	Pericarditis and valvular heart disease. 391, 423, 424

	480-487; 510; 511; 513; 011, 012.8; 514
PREGNANCY PRGNCY
	345, misc. 780.1-780.4
SEPSIS SEPSIS	Sepsis, meningitis, septic shock, and major catastrophic infections.
	690-710, 713, 714, 782
STROKE STROKE

	DESCRIPTION & INCLUDED PLACE OF SERVICE CODES
AMBULANCE	Ambulance: A vehicle specifically designed, equipped, and staffed for lifesaving and transporting the sick or injured; Ambulatory surgical center: a freestanding facility, other than a physician’s office, where surgical and diagnostic services are provided on an ambulatory basis.


INDEPENDENT LAB	A laboratory certified to perform diagnostic or clinical tests independent of an institution or a physician’s office.


URGENT CARE	Urgent care facility: Location whose purpose is to diagnose and treat illness or injury for unscheduled, ambulatory patients seeking immediate medical attention. Emergency room—hospital: A portion of a hospital where emergency diagnosis and treatment of illness or injury is provided.

1.5 Grouping of Specialty

Specialties were grouped in consultation with hospital physicians, and informed by the specialty definitions provided by the American Medical Association and the Royal College of Physicians and Surgeons of Canada.

1. Charlson ME, Pompei P, Ales KL, and MacKenzie CR. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. Journal of Chronic Diseases. 2008; 40 (5): 373-383.

2. Escobar GJ, Greene JD, Scheirer P, Gardner MN, Draper D, and Kipnis P. Risk-Adjusting Hospital Inpatient Mortality Using Automated Inpatient, Outpatient, and Laboratory Databases. Medical Care. 2008; 46 (3): 232-239.