An administrative data merging solution for dealing with missing data in a clinical registry: adaptation from ICD-9 to ICD-10

Southern, Danielle A; Norris, Colleen M; Quan, Hude; Shrive, Fiona M; Galbraith, P Diane; Humphries, Karin; Gao, Min; Knudtson, Merril L; Ghali, William A

doi:10.1186/1471-2288-8-1

Table 1 ICD-9-CM and ICD-10 coding scheme used to define variables in database

From: An administrative data merging solution for dealing with missing data in a clinical registry: adaptation from ICD-9 to ICD-10

Variables	ICD-9-CM code	ICD-10 code
Cerebrovascular disease	430.x–438.x	G45.x, G46.x, H34.0, I60.x–I69.x
Pulmonary (COPD)	490.x–496.x, 500.x–505.x, 506.4	I27.8, I27.9, J40.x–J47.x, J60.x–J67.x, J68.4, J70.1, J70.3
Congestive heart failure	428.x	I09.9, I11.0, I13.0, I13.2, I25.5, I42.0, I42.5–I42.9, I43.x, I50.x, P29.0
PVD	441.x, 443.9, 785.4, V43.4	I70.x–I71.x, I73.1–I73.9, I77.1, I79.0, I79.2, K55.1, K55.8, K55.9, Z95.8, Z95.9
Liver/GI
Mild Liver Disease	571.2, 571.5, 571.6, 571.4	B18.x, K70.0–K70.3, K70.9, K71.3–K71.5, K71.7, K73.x, K74.x, K76.0, K76.2–K76.4, K76.8, K76.9, Z94.4
Peptic Ulcer Disease	531x–534.x	K25–-K28.x
Moderate Severe Liver Disease	572.2, 572.3, 572.4, 572.8, 456.0–456.21	I85.0, I85.9, I86.4, I98.2, K70.4, K71.1, K72.1, K72.9, K76.5–K76.7
Renal disease	582.x, 583.x, 584.x, 585.x, 586.x, 588.x	I12.0, I13.1, N03.2–N03.7, N05.2–N05.7, N18.x, N19.x, N25.0, Z49.0–Z49.2, Z94.0, Z99.2
Malignancy/Metastatic disease	140.x–172.x, 174.x–208.x	C00.x–C26.x, C30.x–C34.x, C37.x–C41.x, C43.x, C45.x–C58.x, C60.x–C76.x, C77.x–C80.x, C81.x–C85.x, C88.x, C90.x–C97.x
Hypertension	401.x–405.x	I10.x, I11.x–I13.x, I15.x
Hyperlipidemia	272.0, 272.1, 272.2, 272.3, 272.4	E78.0–E78.5
Dialysis	V42.0, V45.1, V56.0, V56.1, V56.8, 39.27, 39.42, 39.93–39.95, 54.98	Z49.x, Z99.2 Procedure codes: 1.KY.76, 1.OT.53, 1.PZ.21
Diabetes Type 1	250.0 – 250.9 with 5^th digits 1 & 3	E10.x, E13.10, E13.12, E14.10, E14.12
Diabetes Type 2	250.0 – 250.9 with 5^th digits 0 & 2	E11.x, E13.0, E14.0
Current Smoker	305.10, 305.11, 305.12	F17.x, T65.2, Z50.8, Z71.6, Z72.0, P04.2 Procedure codes*: 5.AD.14.BK, 7.SP.10.VK
Prior MI	412.x	I25.2
INDICATION
MI	410.x	I21.x–I23.x
Unstable angina	411.1, 413.0, 411.89, 411.81	I20.0, I24.x
Stable angina	413.1, 413.9	I20.8, I20.9, I25.0, I25.1, I25.8, I25.9
Other	None of the above codes for indication present	None of the above codes for indication present
Prior CABG	V45.81	Z95.1
Prior PCI	V45.82	Z95.5

* Procedure codes can by found in ICD-10-CA/CCI (Canadian Classification of Health Interventions)

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