Data Documentation

Base (A/B/C/D) segment

Number	SAS Name	Variable 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	Beneficiary 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

Number	SAS Name	Variable 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

Number	SAS Name	Variable Name
1	PTD_CNTRCT_ID_01	Monthly Part D Contract Number - January
2	PTD_CNTRCT_ID_02	Monthly Part D Contract Number - February
3	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
61	CST_SHR_GRP_CD_01	Monthly cost sharing group under Part D low-income subsidy - January
62	CST_SHR_GRP_CD_02	Monthly cost sharing group under Part D low-income subsidy - February
63	CST_SHR_GRP_CD_03	Monthly cost sharing group under Part D low-income subsidy - March
64	CST_SHR_GRP_CD_04	Monthly cost sharing group under Part D low-income subsidy - April
65	CST_SHR_GRP_CD_05	Monthly cost sharing group under Part D low-income subsidy - May
66	CST_SHR_GRP_CD_06	Monthly cost sharing group under Part D low-income subsidy - June
67	CST_SHR_GRP_CD_07	Monthly cost sharing group under Part D low-income subsidy - July
68	CST_SHR_GRP_CD_08	Monthly cost sharing group under Part D low-income subsidy - August
69	CST_SHR_GRP_CD_09	Monthly cost sharing group under Part D low-income subsidy - September
70	CST_SHR_GRP_CD_10	Monthly cost sharing group under Part D low-income subsidy - October
71	CST_SHR_GRP_CD_11	Monthly cost sharing group under Part D low-income subsidy - November
72	CST_SHR_GRP_CD_12	Monthly cost sharing group under Part D low-income subsidy - December