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MEPS Home Medical Expenditure Panel Survey
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Download Data Files — Codebook

MEPS HC 254E CODEBOOK
2024 EMERGENCY ROOM VISITS
DATE: April 29, 2026

Name
Start
End
Description
DUID
1   
7   
PANEL # + ENCRYPTED DU IDENTIFIER
DUPERSID
11   
20   
PERSON ID (DUID + PID)
EKG_M18
90   
91   
THIS VISIT DID P HAVE AN EKG, EEG OR ECG
ERDATEMM
73   
74   
EVENT DATE - MONTH
ERDATEYR
69   
72   
EVENT DATE - YEAR
ERDMD24X
227   
233   
DOCTOR AMOUNT PAID, MEDICAID (IMPUTED)
ERDMR24X
220   
226   
DOCTOR AMOUNT PAID, MEDICARE (IMPUTED)
ERDOF24X
255   
258   
DOCTOR AMOUNT PAID, OTH FEDERAL (IMPUTED)
ERDOT24X
272   
278   
DOCTOR AMOUNT PAID, OTH INSUR (IMPUTED)
ERDPV24X
234   
240   
DOCTOR AMOUNT PAID, PRIV INSUR (IMPUTED)
ERDSF24X
213   
219   
DOCTOR AMOUNT PAID, FAMILY (IMPUTED)
ERDSL24X
259   
264   
DOCTOR AMOUNT PAID, STATE/LOC GOV (IMPUTED)
ERDTC24X
287   
294   
TOTAL DOCTOR CHARGE (IMPUTED)
ERDTR24X
248   
254   
DOCTOR AMOUNT PAID, TRICARE (IMPUTED)
ERDVA24X
241   
247   
DOCTOR AMOUNT PAID, VETERANS/CHAMPVA (IMPUTED)
ERDWC24X
265   
271   
DOCTOR AMOUNT PAID, WORKERS COMP (IMPUTED)
ERDXP24X
279   
286   
DOCTOR SUM PAYMENTS ERDSF24X - ERDOT24X
ERFMD24X
135   
142   
FACILITY AMOUNT PAID, MEDICAID (IMPUTED)
ERFMR24X
126   
134   
FACILITY AMOUNT PAID, MEDICARE (IMPUTED)
ERFOF24X
166   
172   
FACILITY AMOUNT PAID, OTH FEDERAL (IMPUTED)
ERFOT24X
187   
194   
FACILITY AMOUNT PAID, OTH INSUR (IMPUTED)
ERFPV24X
143   
150   
FACILITY AMOUNT PAID, PRIV INSUR (IMPUTED)
ERFSF24X
118   
125   
FACILITY AMOUNT PAID, FAMILY (IMPUTED)
ERFSL24X
173   
179   
FACILITY AMOUNT PAID, STATE/LOC GOV (IMPUTED)
ERFTC24X
204   
212   
TOTAL FACILITY CHARGE (IMPUTED)
ERFTR24X
159   
165   
FACILITY AMOUNT PAID, TRICARE (IMPUTED)
ERFVA24X
151   
158   
FACILITY AMOUNT PAID, VETERANS/CHAMPVA (IMPUTED)
ERFWC24X
180   
186   
FACILITY AMOUNT PAID, WORKERS COMP (IMPUTED)
ERFXP24X
195   
203   
FACILITY SUM PAYMENTS ERFSF24X - ERFOT24X
ERHEVIDX
38   
53   
EVENT ID FOR CORRESPONDING HOSPITAL STAY
ERTC24X
109   
117   
TOTAL CHG FOR EVENT (ERFTC24X + ERDTC24X)
ERXP24X
100   
108   
TOTAL EXP FOR EVENT (ERFXP24X + ERDXP24X)
EVENTRN
37   
37   
EVENT ROUND NUMBER
EVNTIDX
21   
36   
EVENT ID
FFEEIDX
54   
65   
FLAT FEE ID
FFERTYPE
98   
99   
FLAT FEE BUNDLE
IMPFLAG
295   
295   
IMPUTATION STATUS
LABTEST_M18
80   
81   
THIS VISIT DID P HAVE LAB TESTS
MAMMOG_M18
86   
87   
THIS VISIT DID P HAVE A MAMMOGRAM
MEDPRESC
96   
97   
ANY MEDICINE PRESCRIBED FOR P THIS VISIT
MPCDATA
68   
68   
MPC DATA FLAG
MRI_M18
88   
89   
THIS VISIT DID P HAVE AN MRI/CATSCAN
PANEL
66   
67   
PANEL NUMBER
PERWT24F
296   
307   
EXPENDITURE FILE PERSON WEIGHT, 2024
PID
8   
10   
PERSON NUMBER
RCVVAC_M18
92   
93   
THIS VISIT DID P RECEIVE A VACCINATION
SONOGRAM_M18
82   
83   
THIS VISIT DID P HAVE SONOGRAM OR ULTRSD
SURGPROC
94   
95   
WAS SURG PROC PERFORMED ON P THIS VISIT
VARPSU
312   
312   
VARIANCE ESTIMATION PSU, 2024
VARSTR
308   
311   
VARIANCE ESTIMATION STRATUM, 2024
VSTCTGRY
75   
77   
BEST CATEGORY FOR CARE P RECV ON VISIT DT
VSTRELCN
78   
79   
THIS VISIT RELATED TO SPEC CONDITION
XRAYS_M18
84   
85   
THIS VISIT DID P HAVE X-RAYS
""