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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
1
Centers for Medicare &
Medicaid Services
Chronic Condition
Data Warehouse
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Introduction
Module 2: CCW Data Structure and
Contents
In this module, you will learn about
the Chronic Conditions Data
Warehouse:
• Data Structure
• Data Contents
2
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
CCW Data Structure
3
This lesson will provide an overview of
the CCW’s data structure.
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• An Oracle Relational
Database (RDB)
• Organized into a number
of schema
• In a star configuration
• Centralized fact tables
• Supporting dimension
tables
Oracle Relationship Database
4
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Follows CMS design standards
• Provides intuitive mapping
• Performs queries quickly and
efficiently
CCW Star Schema Design
5
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Medicare Eligibility and
Enrollment (EDB)
• FFS Claims
• Institutional (Part A)
• Non-Institutional
(Part B)
• Assessments
• Part D Prescription
• Medicaid
CCW Data Sources
6
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Individual beneficiaries
tracked and linked • Over time
• Across claim types
• Across programs (Medicare and Medicaid)
• One unique BENE_ID for
each individual enrolled
and eligible for Medicare
and/or Medicaid
7
CCW BENE_ID
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
CCW Data Contents
8
This lesson provides an overview
of the CCW data contents.
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Annual file with individual segments
• Beneficiary Summary A/B
• Part D Denominator
• Chronic Conditions
• Cost and Use
Master Beneficiary Summary File
9
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
27 Chronic Conditions
10
Chronic Conditions List
Acquired Hypothyroidism Acute Myocardial Infarction
Alzheimer's Disease
Alzheimer's Disease, Related Disorders, or Senile Dementia
Anemia Asthma
Atrial Fibrillation Benign Prostatic Hyperplasia
Cancer, Breast
Cancer, Colorectal Cancer, Endometrial Cancer, Lung
Cancer, Prostate Cataract Chronic Kidney Disease
Chronic Obstructive Pulmonary Disease
Depression Diabetes
Glaucoma Heart Failure Hip / Pelvic Fracture
Hyperlipidemia Hypertension Ischemic Heart Disease
Osteoporosis Rheumatoid Arthritis / Osteoarthritis
Stroke / Transient Ischemic Attack
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• DRG & DX codes
• Procedure codes (institutional claims)
• Payment amounts
• Claim from/through dates
• Provider data
Medicare Claim Level Data
11
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Revenue center records include information on:
• Procedure codes
• Revenue center payment amounts
• From/through dates
• Provider information
Medicare Revenue Center Level Data
12
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Line item level records include information on:
• Diagnosis codes
• Procedure codes
• Line item payment amounts
• From/through dates
• Provider information
Medicare Line Item Level Data
13
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
MedPAR
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• Observation is one stay (Inpatient or SNF)
• Contains information on:
• ICD-9 Dx and Px codes
• Procedure dates
• DRGs
• Service charges are aggregated
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Drug dispensed
• NDC Code, Quantity, Days
Supply
• Payment
• Patient
• Plan (covered and non-
covered)
• Benefit phase
• Service and pay dates
• Formulary tier
Medicare Part D Prescription Drug Event
15
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Part D Characteristics Files
Drug Plan Pharmacy Prescriber Formulary
• Name
• Strength
• Dosage Form
• Organization
type
• Plan type
• Formulary ID
• Location
• Open/close
dates
• Class
• Location
• Credentials
• Taxonomy
• Drug
• Utilization
management
16
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
• Inpatient Rehabilitation Facility –
Patient Assessment Instrument
(IRF PAI)
• Minimum Data Set (MDS) –
nursing homes
• Outcome Assessment Information
Set (OASIS) – home health
• Swing Bed
Assessments
17
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Medicaid MAX Beneficiary Level Records
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Person Summary (PS)
• Demographics
• Eligibility
• Summarized cost & utilization
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
Medicaid MAX Service Level Records
19
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
CCW Public Website: http://www.ccwdata.org
Public Website
20
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
CCW Secure Website
21
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
ResDAC
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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
866-766-1915
(6 menu options available)
8:00 AM – 5:00 PM ET
Monday – Friday
(excluding government holidays)
CCW Help Desk
23
Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data
This module covered the data
structure and contents of the Chronic
Conditions Data Warehouse (CCW).
Do you have any questions?
Questions
24