Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

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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

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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

CCW Data Structure

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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

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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

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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

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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

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CCW BENE_ID

Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

CCW Data Contents

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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

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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

27 Chronic Conditions

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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

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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

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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

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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

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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

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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

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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

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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

CCW Public Website: http://www.ccwdata.org

Public Website

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Chronic Conditions Data Warehouse Your source for national CMS Medicare and Medicaid research data

CCW Secure Website

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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

CCWhelp@gdit.com

866-766-1915

(6 menu options available)

8:00 AM – 5:00 PM ET

Monday – Friday

(excluding government holidays)

CCW Help Desk

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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

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