File Version:
CCW data documentation April, 2019

For most files, a table of variables will display below, with links to the variable definitions. If no table displays, or if you need additional information for a specific variable, please see the CCW website. Data documentation is available for all files and codebooks for many.

If you are unable to locate the information you need, please contact ResDAC.

Base Claim File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 SAMPLE_GROUP CCW Beneficiary Random Sample Group
3 ENC_JOIN_KEY Unique Encounter Join Key
4 CLM_TYPE_CD Claim Type Code
5 CLM_FROM_DT Claim From Date (Encounter)
6 CLM_THRU_DT Claim Through Date (Encounter)
7 SRVC_MONTH Service Month
8 CLM_CHRT_RVW_SW Claim Chart Review Switch
9 CLM_CNTL_NUM Claim Control Number
10 CLM_ORIG_CNTL_NUM Claim Original Control Number
11 CLM_FINL_ACTN_IND Claim Final Action Indicator
12 CLM_LTST_CLM_IND Latest Claim Indicator
13 EDPS_CREATE_DT Encounter Data Processing System (EDPS) Create Date
14 CLM_RCPT_DT Claim Receipt Date
15 CLM_FAC_TYPE_CD Claim Facility Type Code (Encounter)
16 Medicare Advantage Organizations (MAOs) Claim Service Classification Type Code (Encounter)
17 CLM_FREQ_CD Claim Frequency Code (Encounter)
18 CNTRCT_NUM Medicare Part C Contract Number
19 CNTRCT_PBP_NUM Medicare Part C Plan Benefit Package (PBP) Number
20 CLM_MDCL_REC Claim Medical Record Number (Encounter)
21 ORG_NPI Organization NPI Number (Encounter)
22 ORG_TXNMY_CD Organization Taxonomy Code
23 RNDRNG_PHYSN_NPI Rendering Physician NPI (Encounter)
24 RFRG_PHYSN_NPI Carrier/DME Referring Physician NPI Number
25 AT_PHYSN_NPI Claim Attending Physician NPI Number (Encounter)
26 AT_PHYSN_TXNMY_CD Claim Attending Physician Taxonomy Code
27 OP_PHYSN_NPI Claim Operating Physician NPI Number (Encounter)
28 OT_PHYSN_NPI Claim Other Physician NPI Number (Encounter)
29 PTNT_DSCHRG_STUS_CD Patient Discharge Status Code (Encounter)
30 PRNCPAL_DGNS_CD Claim Principal Diagnosis Code (Encounter)
31 ICD_DGNS_CD1 Claim Diagnosis Code 1 (Encounter)
32 ICD_DGNS_CD2 Claim Diagnosis Code 2 (Encounter)
33 ICD_DGNS_CD3 Claim Diagnosis Code 3 (Encounter)
34 ICD_DGNS_CD4 Claim Diagnosis Code 4 (Encounter)
35 ICD_DGNS_CD5 Claim Diagnosis Code 5 (Encounter)
36 ICD_DGNS_CD6 Claim Diagnosis Code 6 (Encounter)
37 ICD_DGNS_CD7 Claim Diagnosis Code 7 (Encounter)
38 ICD_DGNS_CD8 Claim Diagnosis Code 8 (Encounter)
39 ICD_DGNS_CD9 Claim Diagnosis Code 9 (Encounter)
40 ICD_DGNS_CD10 Claim Diagnosis Code 10 (Encounter)
41 ICD_DGNS_CD11 Claim Diagnosis Code 11 (Encounter)
42 ICD_DGNS_CD12 Claim Diagnosis Code 12 (Encounter)
43 ICD_DGNS_CD13 Claim Diagnosis Code 13 (Encounter)
44 ICD_DGNS_CD14 Claim Diagnosis Code 14 (Encounter)
45 ICD_DGNS_CD15 Claim Diagnosis Code 15 (Encounter)
46 ICD_DGNS_CD16 Claim Diagnosis Code 16 (Encounter)
47 ICD_DGNS_CD17 Claim Diagnosis Code 17 (Encounter)
48 ICD_DGNS_CD18 Claim Diagnosis Code 18 (Encounter)
49 ICD_DGNS_CD19 Claim Diagnosis Code 19 (Encounter)
50 ICD_DGNS_CD20 Claim Diagnosis Code 20 (Encounter)
51 ICD_DGNS_CD21 Claim Diagnosis Code 21 (Encounter)
52 ICD_DGNS_CD22 Claim Diagnosis Code 22 (Encounter)
53 ICD_DGNS_CD23 Claim Diagnosis Code 23 (Encounter)
54 ICD_DGNS_CD24 Claim Diagnosis Code 24 (Encounter)
55 ICD_DGNS_CD25 Claim Diagnosis Code 25 (Encounter)
56 CLM_1ST_DGNS_E_CD First Claim Diagnosis E Code (Encounter)
57 ICD_DGNS_E_CD1 Claim Diagnosis E Code 1 (Encounter)
58 ICD_DGNS_E_CD2 Claim Diagnosis E Code 2 (Encounter)
59 ICD_DGNS_E_CD3 Claim Diagnosis E Code 3 (Encounter)
60 ICD_DGNS_E_CD4 Claim Diagnosis E Code 4 (Encounter)
61 ICD_DGNS_E_CD5 Claim Diagnosis E Code 5 (Encounter)
62 ICD_DGNS_E_CD6 Claim Diagnosis E Code 6 (Encounter)
63 ICD_DGNS_E_CD7 Claim Diagnosis E Code 7 (Encounter)
64 ICD_DGNS_E_CD8 Claim Diagnosis E Code 8 (Encounter)
65 ICD_DGNS_E_CD9 Claim Diagnosis E Code 9 (Encounter)
66 ICD_DGNS_E_CD10 Claim Diagnosis E Code 10 (Encounter)
67 RSN_VISIT_CD1 Reason for Visit Diagnosis Code 1 (Encounter)
68 RSN_VISIT_CD2 Reason for Visit Diagnosis Code 2 (Encounter)
69 RSN_VISIT_CD3 Reason for Visit Diagnosis Code 3 (Encounter)
70 ICD_PRCDR_CD1 Claim Procedure Code 1 (Encounter)
71 ICD_PRCDR_CD2 Claim Procedure Code 2 (Encounter)
72 ICD_PRCDR_CD3 Claim Procedure Code 3 (Encounter)
73 ICD_PRCDR_CD4 Claim Procedure Code 4 (Encounter)
74 ICD_PRCDR_CD5 Claim Procedure Code 5 (Encounter)
75 ICD_PRCDR_CD6 Claim Procedure Code 6 (Encounter)
76 ICD_PRCDR_CD7 Claim Procedure Code 7 (Encounter)
77 ICD_PRCDR_CD8 Claim Procedure Code 8 (Encounter)
78 ICD_PRCDR_CD9 Claim Procedure Code 9 (Encounter)
79 ICD_PRCDR_CD10 Claim Procedure Code 10 (Encounter)
80 ICD_PRCDR_CD11 Claim Procedure Code 11 (Encounter)
81 ICD_PRCDR_CD12 Claim Procedure Code 12 (Encounter)
82 ICD_PRCDR_CD13 Claim Procedure Code 13 (Encounter)
83 PRCDR_DT1 Claim Procedure Code 1 Date (Encounter)
84 PRCDR_DT2 Claim Procedure Code 2 Date (Encounter)
85 PRCDR_DT3 Claim Procedure Code 3 Date (Encounter)
86 PRCDR_DT4 Claim Procedure Code 4 Date (Encounter)
87 PRCDR_DT5 Claim Procedure Code 5 Date (Encounter)
88 PRCDR_DT6 Claim Procedure Code 6 Date (Encounter)
89 PRCDR_DT7 Claim Procedure Code 7 Date (Encounter)
90 PRCDR_DT8 Claim Procedure Code 8 Date (Encounter)
91 PRCDR_DT9 Claim Procedure Code 9 Date (Encounter)
92 PRCDR_DT10 Claim Procedure Code 10 Date (Encounter)
93 PRCDR_DT11 Claim Procedure Code 11 Date (Encounter)
94 PRCDR_DT12 Claim Procedure Code 12 Date (Encounter)
95 PRCDR_DT13 Claim Procedure Code 13 Date (Encounter)
96 CLM_OBSLT_DT Claim Obsolete Date
97 CLM_BPRVDR_CITY_NAME Billing Provider Address - City
98 CLM_BPRVDR_USPS_STATE_CD Billing Provider Address - USPS State Code
99 CLM_BPRVDR_ADR_ZIP_CD Billing Provider Zip Code
100 CLM_SUBSCR_CITY_NAME Medicare Subscriber Address - City
101 CLM_SUBSCR_USPS_STATE_CD Medicare Subscriber Address - USPS State Code
102 CLM_SUBSCR_ADR_ZIP_CD Medicare Subscriber Address - ZIP Code
103 BENE_CNTY_CD Beneficiary County Code from Claim (SSA)
104 BENE_STATE_CD Beneficiary Residence (SSA) State Code (Encounter)
105 BENE_MLG_CNTCT_ZIP_CD Beneficiary ZIP Code of Residence from Claim
106 GNDR_CD Gender Code from Encounter record
107 BENE_RACE_CD Beneficiary Race Code (Encounter)
108 DOB_DT Date of Birth from Encounter
109 BENE_MDCR_STUS_CD Beneficiary Medicare Status Code
110 TAX_NUM Provider Tax Number
111 BENE_STATE State of beneficiary (postal abbreviation)

Revenue Center File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 ENC_JOIN_KEY Unique Encounter Join Key
3 CLM_TYPE_CD Claim Type Code
4 CLM_LINE_NUM Claim Line Number (Encounter)
5 LINE_NUM_ORIG Original Claim Line Number
6 CLM_THRU_DT Claim Through Date (Encounter)
7 REV_CNTR Revenue Center Code (Encounter)
8 REV_CNTR_FROM_DT Revenue Center From Date
9 REV_CNTR_THRU_DT Revenue Center Thru Date
10 REV_CNTR_UNIT_CNT Revenue Center Unit Count (Encounter)
11 HCPCS_CD Healthcare Common Procedure Coding System (HCPCS) Code (Encounter)
12 HCPCS_1ST_MDFR_CD HCPCS Initial Modifier Code (Encounter)
13 HCPCS_2ND_MDFR_CD HCPCS Second Modifier Code (Encounter)
14 HCPCS_3RD_MDFR_CD HCPCS Third Modifier Code (Encounter)
15 HCPCS_4TH_MDFR_CD HCPCS Fourth Modifier Code (Encounter)
16 REV_CNTR_IDE_NDC_UPC_NUM Revenue Center IDE, NDC, or UPC Number (Encounter)
17 REV_CNTR_NDC_QTY Revenue Center National Drug Code (NDC) Quantity (Encounter)
18 REV_CNTR_NDC_QTY_QLFR_CD Revenue Center NDC Quantity Qualifier Code (Encounter)
19 REV_CNTR_RNDRNG_PHYSN_NPI_NUM Revenue Center Rendering Physician NPI
20 LINE_LTST_CLM_IND Line Latest Claim Indicator

Condition Code File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 ENC_JOIN_KEY Unique Encounter Join Key
3 CLM_TYPE_CD Claim Type Code
4 RLT_COND_CD_SEQ Claim Related Condition Code Sequence
5 CLM_RLT_COND_CD Claim Related Condition Code (Encounter)

Occurrence Code File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 ENC_JOIN_KEY Unique Encounter Join Key
3 CLM_TYPE_CD Claim Type Code
4 RLT_OCRNC_CD_SEQ Claim Related Occurrence Code Sequence
5 CLM_RLT_OCRNC_CD Claim Related Occurrence Code (Encounter)
6 CLM_RLT_OCRNC_DT Claim Related Occurrence Date (Encounter)

Span Code File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 ENC_JOIN_KEY Unique Encounter Join Key
3 CLM_TYPE_CD Claim Type Code
4 RLT_SPAN_CD_SEQ Claim Related Span Code Sequence
5 CLM_SPAN_CD Claim Occurrence Span Code (Encounter)
6 CLM_SPAN_FROM_DT Claim Occurrence Span From Date (Encounter)
7 CLM_SPAN_THRU_DT Claim Occurrence Span Through Date (Encounter)

Value Code File

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 ENC_JOIN_KEY Unique Encounter Join Key
3 CLM_TYPE_CD Claim Type Code
4 RLT_VAL_CD_SEQ Claim Related Value Code Sequence
5 CLM_VAL_CD Claim Value Code (Encounter)