File Version:
CCW Data Documentation 4/15/19

Base (A/B/C/D) segment

NumberSAS NameVariable Name
1 BENE_ID Encrypted CCW Beneficiary ID
2 BENE_ENROLLMT_REF_YR Reference Year (Base)
3 ENRL_SRC Enrollment Source
4 SAMPLE_GROUP Medicare Sample Group Indicator
5 ENHANCED_FIVE_PERCENT_FLAG Enhanced Medicare 5% Sample Indicator
6 CRNT_BIC_CD Current Beneficiary Identification Code
7 STATE_CODE State code for beneficiary (SSA code)
8 COUNTY_CD County code for beneficiary (SSA code)
9 ZIP_CD Zip code for beneficiary
10 STATE_CNTY_FIPS_CD_01 State and county FIPS code - January
11 STATE_CNTY_FIPS_CD_02 State and county FIPS code - February
12 STATE_CNTY_FIPS_CD_03 State and county FIPS code - March
13 STATE_CNTY_FIPS_CD_04 State and county FIPS code - April
14 STATE_CNTY_FIPS_CD_05 State and county FIPS code - May
15 STATE_CNTY_FIPS_CD_06 State and county FIPS code - June
16 STATE_CNTY_FIPS_CD_07 State and county FIPS code - July
17 STATE_CNTY_FIPS_CD_08 State and county FIPS code - August
18 STATE_CNTY_FIPS_CD_09 State and county FIPS code - September
19 STATE_CNTY_FIPS_CD_10 State and county FIPS code - October
20 STATE_CNTY_FIPS_CD_11 State and county FIPS code - November
21 STATE_CNTY_FIPS_CD_12 State and county FIPS code - December
22 AGE_AT_END_REF_YR Age of beneficiary at end of year
23 BENE_BIRTH_DT Beneficiary date of birth
24 VALID_DEATH_DT_SW Valid Date of Death Switch
25 BENE_DEATH_DT TYPE: DATE Date of Death
26 SEX_IDENT_CD Sex
27 BENE_RACE_CD Beneficiary Race Code (Base)
28 RTI_RACE_CD Research Triangle Institute (RTI) Race Code
29 COVSTART Medicare Coverage Start Date
30 ENTLMT_RSN_ORIG Original Reason for Entitlement Code
31 ENTLMT_RSN_CURR Current Reason for Entitlement Code
32 ESRD_IND End-Stage Renal Disease (ESRD) Indicator
33 MDCR_STATUS_CODE_01 Medicare Status Code - January
34 MDCR_STATUS_CODE_02 Medicare Status Code - February
35 MDCR_STATUS_CODE_03 Medicare Status Code - March
36 MDCR_STATUS_CODE_04 Medicare Status Code - April
37 MDCR_STATUS_CODE_05 Medicare Status Code - May
38 MDCR_STATUS_CODE_06 Medicare Status Code - June
39 MDCR_STATUS_CODE_07 Medicare Status Code - July
40 MDCR_STATUS_CODE_08 Medicare Status Code - August
41 MDCR_STATUS_CODE_09 Medicare Status Code - September
42 MDCR_STATUS_CODE_10 Medicare Status Code - October
43 MDCR_STATUS_CODE_11 Medicare Status Code - November
44 MDCR_STATUS_CODE_12 Medicare Status Code - December
45 BENE_PTA_TRMNTN_CD Part A Termination Code
46 BENE_PTB_TRMNTN_CD Part B Termination Code
47 BENE_HI_CVRAGE_TOT_MONS Part A Months Count
48 BENE_SMI_CVRAGE_TOT_MONS Part B Months Count
49 BENE_STATE_BUYIN_TOT_MONS State Buy-In Coverage Count
50 BENE_HMO_CVRAGE_TOT_MONS HMO Coverage Count
51 PTD_PLAN_CVRG_MONS Months of Part D Coverage
52 RDS_CVRG_MONS Months of Retiree Drug Subsidy Coverage
53 DUAL_ELGBL_MONS Months of Dual Eligibility
54 MDCR_ENTLMT_BUYIN_IND_01 Medicare Entitlement/Buy-In Indicator - January
55 MDCR_ENTLMT_BUYIN_IND_02 Medicare Entitlement/Buy-In Indicator - February
56 MDCR_ENTLMT_BUYIN_IND_03 Medicare Entitlement/Buy-In Indicator - March
57 MDCR_ENTLMT_BUYIN_IND_04 Medicare Entitlement/Buy-In Indicator - April
58 MDCR_ENTLMT_BUYIN_IND_05 Medicare Entitlement/Buy-In Indicator - May
59 MDCR_ENTLMT_BUYIN_IND_06 Medicare Entitlement/Buy-In Indicator - June
60 MDCR_ENTLMT_BUYIN_IND_07 Medicare Entitlement/Buy-In Indicator - July
61 MDCR_ENTLMT_BUYIN_IND_08 Medicare Entitlement/Buy-In Indicator - August
62 MDCR_ENTLMT_BUYIN_IND_09 Medicare Entitlement/Buy-In Indicator - September
63 MDCR_ENTLMT_BUYIN_IND_10 Medicare Entitlement/Buy-In Indicator - October
64 MDCR_ENTLMT_BUYIN_IND_11 Medicare Entitlement/Buy-In Indicator - November
65 MDCR_ENTLMT_BUYIN_IND_12 Medicare Entitlement/Buy-In Indicator - December
66 HMO_IND_01 HMO Indicator - January
67 HMO_IND_02 HMO Indicator - February
68 HMO_IND_03 HMO Indicator - March
69 HMO_IND_04 HMO Indicator - April
70 HMO_IND_05 HMO Indicator - May
71 HMO_IND_06 HMO Indicator - June
72 HMO_IND_07 HMO Indicator - July
73 HMO_IND_08 HMO Indicator - August
74 HMO_IND_09 HMO Indicator - September
75 HMO_IND_10 HMO Indicator - October
76 HMO_IND_11 HMO Indicator - November
77 HMO_IND_12 HMO Indicator - December

Part C

NumberSAS NameVariable Name
1 PTC_CNTRCT_ID_01 Part C Contract Number - January
2 PTC_CNTRCT_ID_02 Part C Contract Number - February
3 PTC_CNTRCT_ID_03 Part C Contract Number - March
4 PTC_CNTRCT_ID_04 Part C Contract Number - April
5 PTC_CNTRCT_ID_05 Part C Contract Number - May
6 PTC_CNTRCT_ID_06 Part C Contract Number - June
7 PTC_CNTRCT_ID_07 Part C Contract Number - July
8 PTC_CNTRCT_ID_08 Part C Contract Number - August
9 PTC_CNTRCT_ID_09 Part C Contract Number - September
10 PTC_CNTRCT_ID_10 Part C Contract Number - October
11 PTC_CNTRCT_ID_11 Part C Contract Number - November
12 PTC_CNTRCT_ID_12 Part C Contract Number - December
13 PTC_PBP_ID_01 Part C PBP Number - January
14 PTC_PBP_ID_02 Part C PBP Number - February
15 PTC_PBP_ID_03 Part C PBP Number - March
16 PTC_PBP_ID_04 Part C PBP Number - April
17 PTC_PBP_ID_05 Part C PBP Number - May
18 PTC_PBP_ID_06 Part C PBP Number - June
19 PTC_PBP_ID_07 Part C PBP Number - July
20 PTC_PBP_ID_08 Part C PBP Number - August
21 PTC_PBP_ID_09 Part C PBP Number - September
22 PTC_PBP_ID_10 Part C PBP Number - October
23 PTC_PBP_ID_11 Part C PBP Number - November
24 PTC_PBP_ID_12 Part C PBP Number - December
25 PTC_PLAN_TYPE_CD_01 Part C Plan Type Code - January
26 PTC_PLAN_TYPE_CD_02 Part C Plan Type Code - February
27 PTC_PLAN_TYPE_CD_03 Part C Plan Type Code - March
28 PTC_PLAN_TYPE_CD_04 Part C Plan Type Code - April
29 PTC_PLAN_TYPE_CD_05 Part C Plan Type Code - May
30 PTC_PLAN_TYPE_CD_06 Part C Plan Type Code - June
31 PTC_PLAN_TYPE_CD_07 Part C Plan Type Code - July
32 PTC_PLAN_TYPE_CD_08 Part C Plan Type Code - August
33 PTC_PLAN_TYPE_CD_09 Part C Plan Type Code - September
34 PTC_PLAN_TYPE_CD_10 Part C Plan Type Code - October
35 PTC_PLAN_TYPE_CD_11 Part C Plan Type Code - November
36 PTC_PLAN_TYPE_CD_12 Part C Plan Type Code - December

Part D

NumberSAS NameVariable Name
1 PTD_CNTRCT_ID_01 Monthly Part D Contract Number - January
2 PTD_CNTRCT_ID_02 Monthly Part D Contract Number - February
4 PTD_CNTRCT_ID_03 Monthly Part D Contract Number - March
4 PTD_CNTRCT_ID_04 Monthly Part D Contract Number - April
5 PTD_CNTRCT_ID_05 Monthly Part D Contract Number - May
6 PTD_CNTRCT_ID_06 Monthly Part D Contract Number - June
7 PTD_CNTRCT_ID_07 Monthly Part D Contract Number - July
8 PTD_CNTRCT_ID_08 Monthly Part D Contract Number - August
9 PTD_CNTRCT_ID_09 Monthly Part D Contract Number - September
10 PTD_CNTRCT_ID_10 Monthly Part D Contract Number - October
11 PTD_CNTRCT_ID_11 Monthly Part D Contract Number - November
12 PTD_CNTRCT_ID_12 Monthly Part D Contract Number - December
13 PTD_PBP_ID_01 Monthly Part D Plan Benefit Package Number - January
14 PTD_PBP_ID_02 Monthly Part D Plan Benefit Package Number - February
15 PTD_PBP_ID_03 Monthly Part D Plan Benefit Package Number - March
16 PTD_PBP_ID_04 Monthly Part D Plan Benefit Package Number - April
17 PTD_PBP_ID_05 Monthly Part D Plan Benefit Package Number - May
18 PTD_PBP_ID_06 Monthly Part D Plan Benefit Package Number - June
19 PTD_PBP_ID_07 Monthly Part D Plan Benefit Package Number - July
20 PTD_PBP_ID_08 Monthly Part D Plan Benefit Package Number - August
21 PTD_PBP_ID_09 Monthly Part D Plan Benefit Package Number - September
22 PTD_PBP_ID_10 Monthly Part D Plan Benefit Package Number - October
23 PTD_PBP_ID_11 Monthly Part D Plan Benefit Package Number - November
24 PTD_PBP_ID_12 Monthly Part D Plan Benefit Package Number - December
25 PTD_SGMT_ID_01 Monthly Part D Market Segment Identifier - January
26 PTD_SGMT_ID_02 Monthly Part D Market Segment Identifier - February
27 PTD_SGMT_ID_03 Monthly Part D Market Segment Identifier - March
28 PTD_SGMT_ID_04 Monthly Part D Market Segment Identifier - April
29 PTD_SGMT_ID_05 Monthly Part D Market Segment Identifier - May
30 PTD_SGMT_ID_06 Monthly Part D Market Segment Identifier - June
31 PTD_SGMT_ID_07 Monthly Part D Market Segment Identifier - July
32 PTD_SGMT_ID_08 Monthly Part D Market Segment Identifier - August
33 PTD_SGMT_ID_09 Monthly Part D Market Segment Identifier - September
34 PTD_SGMT_ID_10 Monthly Part D Market Segment Identifier - October
35 PTD_SGMT_ID_11 Monthly Part D Market Segment Identifier - November
36 PTD_SGMT_ID_12 Monthly Part D Market Segment Identifier - December
37 RDS_IND_01 Part D Retiree Drug Subsidy Indicator - January
38 RDS_IND_02 Part D Retiree Drug Subsidy Indicator - February
39 RDS_IND_03 Part D Retiree Drug Subsidy Indicator - March
40 RDS_IND_04 Part D Retiree Drug Subsidy Indicator - April
41 RDS_IND_05 Part D Retiree Drug Subsidy Indicator - May
42 RDS_IND_06 Part D Retiree Drug Subsidy Indicator - June
43 RDS_IND_07 Part D Retiree Drug Subsidy Indicator - July
44 RDS_IND_08 Part D Retiree Drug Subsidy Indicator - August
45 RDS_IND_09 Part D Retiree Drug Subsidy Indicator - September
46 RDS_IND_10 Part D Retiree Drug Subsidy Indicator - October
47 RDS_IND_11 Part D Retiree Drug Subsidy Indicator - November
48 RDS_IND_12 Part D Retiree Drug Subsidy Indicator - December
49 DUAL_STUS_CD_01 Monthly Medicare-Medicaid dual eligibility code - January
50 DUAL_STUS_CD_02 Monthly Medicare-Medicaid dual eligibility code - February
51 DUAL_STUS_CD_03 Monthly Medicare-Medicaid dual eligibility code - March
52 DUAL_STUS_CD_04 Monthly Medicare-Medicaid dual eligibility code - April
53 DUAL_STUS_CD_05 Monthly Medicare-Medicaid dual eligibility code - May
54 DUAL_STUS_CD_06 Monthly Medicare-Medicaid dual eligibility code - June
55 DUAL_STUS_CD_07 Monthly Medicare-Medicaid dual eligibility code - July
56 DUAL_STUS_CD_08 Monthly Medicare-Medicaid dual eligibility code - August
57 DUAL_STUS_CD_09 Monthly Medicare-Medicaid dual eligibility code - September
58 DUAL_STUS_CD_10 Monthly Medicare-Medicaid dual eligibility code - October
59 DUAL_STUS_CD_11 Monthly Medicare-Medicaid dual eligibility code - November
60 DUAL_STUS_CD_12 Monthly Medicare-Medicaid dual eligibility code - December
62 CST_SHR_GRP_CD_01 Monthly cost sharing group under Part D low-income subsidy - January
62 CST_SHR_GRP_CD_01 Monthly cost sharing group under Part D low-income subsidy - January
63 CST_SHR_GRP_CD_02 Monthly cost sharing group under Part D low-income subsidy - February
64 CST_SHR_GRP_CD_03 Monthly cost sharing group under Part D low-income subsidy - March
65 CST_SHR_GRP_CD_04 Monthly cost sharing group under Part D low-income subsidy - April
66 CST_SHR_GRP_CD_05 Monthly cost sharing group under Part D low-income subsidy - May
67 CST_SHR_GRP_CD_06 Monthly cost sharing group under Part D low-income subsidy - June
68 CST_SHR_GRP_CD_07 Monthly cost sharing group under Part D low-income subsidy - July
69 CST_SHR_GRP_CD_08 Monthly cost sharing group under Part D low-income subsidy - August
70 CST_SHR_GRP_CD_09 Monthly cost sharing group under Part D low-income subsidy - September
71 CST_SHR_GRP_CD_10 Monthly cost sharing group under Part D low-income subsidy - October
72 CST_SHR_GRP_CD_11 Monthly cost sharing group under Part D low-income subsidy - November
73 CST_SHR_GRP_CD_12 Monthly cost sharing group under Part D low-income subsidy - December