Department of Health and Human Services
Department of Health and Human Services
OFFICE OF
INSPECTOR GENERAL
MEDICARE COMPLIANCE
REVIEW OF HACKENSACK
UNIVERSITY MEDICAL CENTER
FOR THE PERIOD APRIL 1, 2011,
THROUGH SEPTEMBER 30, 2012
Inquiries about this report may be addressed to the Office of Public Affairs at
Public.Affairs@oig..
Brian P. Ritchie
Assistant Inspector General
for Audit Services
October 2014
A-02-13-01017
Office of Inspector General
The mission of the Office of Inspector General (OIG), as mandated by Public Law 95-452, as amended, is
to protect the integrity of the Department of Health and Human Services (HHS) programs, as well as the
health and welfare of beneficiaries served by those programs. This statutory mission is carried out
through a nationwide network of audits, investigations, and inspections conducted by the following
operating components:
Office of Audit Services
The Office of Audit Services (OAS) provides auditing services for HHS, either by conducting audits with
its own audit resources or by overseeing audit work done by others. Audits examine the performance of
HHS programs and/or its grantees and contractors in carrying out their respective responsibilities and are
intended to provide independent assessments of HHS programs and operations. These assessments help
reduce waste, abuse, and mismanagement and promote economy and efficiency throughout HHS.
Office of Evaluation and Inspections
The Office of Evaluation and Inspections (OEI) conducts national evaluations to provide HHS, Congress,
and the public with timely, useful, and reliable information on significant issues. These evaluations focus
on preventing fraud, waste, or abuse and promoting economy, efficiency, and effectiveness of
departmental programs. To promote impact, OEI reports also present practical recommendations for
improving program operations.
Office of Investigations
The Office of Investigations (OI) conducts criminal, civil, and administrative investigations of fraud and
misconduct related to HHS programs, operations, and beneficiaries. With investigators working in all 50
States and the District of Columbia, OI utilizes its resources by actively coordinating with the Department
of Justice and other Federal, State, and local law enforcement authorities. The investigative efforts of OI
often lead to criminal convictions, administrative sanctions, and/or civil monetary penalties.
Office of Counsel to the Inspector General
The Office of Counsel to the Inspector General (OCIG) provides general legal services to OIG, rendering
advice and opinions on HHS programs and operations and providing all legal support for OIG¡¯s internal
operations. OCIG represents OIG in all civil and administrative fraud and abuse cases involving HHS
programs, including False Claims Act, program exclusion, and civil monetary penalty cases. In
connection with these cases, OCIG also negotiates and monitors corporate integrity agreements. OCIG
renders advisory opinions, issues compliance program guidance, publishes fraud alerts, and provides
other guidance to the health care industry concerning the anti-kickback statute and other OIG enforcement
authorities.
Notices
THIS REPORT IS AVAILABLE TO THE PUBLIC
at
Section 8M of the Inspector General Act, 5 U.S.C. App., requires
that OIG post its publicly available reports on the OIG Web site.
OFFICE OF AUDIT SERVICES FINDINGS AND OPINIONS
The designation of financial or management practices as
questionable, a recommendation for the disallowance of costs
incurred or claimed, and any other conclusions and
recommendations in this report represent the findings and
opinions of OAS. Authorized officials of the HHS operating
divisions will make final determination on these matters.
EXECUTIVE SUMMARY
Hackensack University Medical Center did not fully comply with Medicare requirements
for billing inpatient and outpatient services, resulting in estimated overpayments of at least
$1.7 million over 1? years.
WHY WE DID THIS REVIEW
This review is part of a series of hospital compliance reviews. Using computer matching, data
mining, and other data analysis techniques, we identified hospital claims that were at risk for
noncompliance with Medicare billing requirements. For calendar year (CY) 2012, Medicare
paid hospitals $148 billion, which represents 43 percent of all fee-for-service payments;
therefore, the Office of Inspector General must provide continual and adequate oversight of
Medicare payments to hospitals.
The objective of this review was to determine whether Hackensack University Medical Center
(the Hospital) complied with Medicare requirements for billing inpatient and outpatient services
on selected types of claims.
BACKGROUND
The Centers for Medicare & Medicaid Services (CMS) pays inpatient hospital costs at
predetermined rates for patient discharges. The rates vary according to the diagnosis-related
group (DRG) to which a beneficiary¡¯s stay is assigned and the severity level of the patient¡¯s
diagnosis. The DRG payment is, with certain exceptions, intended to be payment in full to the
hospital for all inpatient costs associated with the beneficiary¡¯s stay. CMS pays for hospital
outpatient services on a rate-per-service basis that varies according to the assigned ambulatory
payment classification.
The Hospital is a 775-bed acute care teaching hospital located in Hackensack, New Jersey.
Medicare paid the Hospital approximately $376 million for 22,385 inpatient and 159,420
outpatient claims for services provided to beneficiaries during the period April 1, 2011, through
September 30, 2012 (audit period), based on CMS¡¯s National Claims History data.
Our audit covered $7,570,827 in Medicare payments to the Hospital for 1,553 claims that were
potentially at risk for billing errors. We selected a stratified random sample of 200 claims with
payments totaling $1,498,349 for review. These 200 claims had dates of service during the audit
period and consisted of 45 inpatient and 155 outpatient claims.
WHAT WE FOUND
The Hospital complied with Medicare billing requirements for 138 of the 200 inpatient and
outpatient claims we reviewed. However, the Hospital did not fully comply with Medicare
billing requirements for the remaining 62 claims, resulting in overpayments of $351,580 for the
audit period. Specifically, 26 inpatient claims had billing errors, resulting in overpayments of
Medicare Compliance Review of Hackensack University Medical Center (A-02-13-01017)
i
$248,179, and 36 outpatient claims had billing errors, resulting in overpayments of $103,401.
These errors occurred primarily because the Hospital did not have adequate controls to prevent
the incorrect billing of Medicare claims within the selected risk areas that contained errors.
On the basis of our sample results, we estimated that the Hospital received overpayments of at
least $1,719,632 for the audit period.
WHAT WE RECOMMEND
We recommend that the Hospital:
?
refund to the Medicare contractor $1,719,632 (of which $351,580 were overpayments
identified in our sample) in estimated overpayments for claims it incorrectly billed during
the audit period, and
?
strengthen controls to ensure full compliance with Medicare requirements.
HACKENSACK UNIVERSITY MEDICAL CENTER COMMENTS
AND OUR RESPONSE
In written comments on our draft report, the Hospital generally concurred with our findings and
recommendations and described corrective actions that it had taken or planned to take to address
them.
The Hospital disagreed with our determinations for 4 of the 62 sampled items that we found not
to be in compliance with Medicare billing requirements. Specifically, the Hospital indicated that
three inpatient claims met the medical necessity criteria for inpatient admission, and that one
outpatient claim did not require a physician¡¯s order for observation services to be provided. The
Hospital also stated that the error rate of our sample of inpatient short stays is not representative
of the Hospital¡¯s overall compliance for these stays. In addition, the Hospital disagreed with the
statement in our draft report that it did not have a case worker onsite to oversee final patient
discharge procedures, and stated that the lack of oversight was specific to the Hospital¡¯s
operating room and post anesthesia care unit.
After reviewing the Hospital¡¯s comments, we maintain that our findings and recommendations
are valid. We used an independent medical contractor to determine whether the three inpatient
and one outpatient claims met medical necessity and coding requirements. The contractor
examined all of the medical records and documentation submitted and carefully considered this
information to determine whether the Hospital billed the claims in compliance with Medicare
requirements. On the basis of the contractor¡¯s conclusions, we determined that the Hospital
should have billed the three inpatient claims as outpatient or outpatient with observation services,
and that, for the one outpatient claim, an order written by a physician was required in order to
receive observation services.
We use computer matching, data mining, and data analysis techniques to identify claims
potentially at risk for noncompliance. The results from our stratified random sample were
Medicare Compliance Review of Hackensack University Medical Center (A-02-13-01017)
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