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. Author manuscript; available in PMC: 2024 Apr 23.
Published in final edited form as: J Arthroplasty. 2023 Jun 5;38(11):2324–2327.e4. doi: 10.1016/j.arth.2023.05.040

Appendix Table D.

Codes Used for Analysis.

Category ICD 9/10 and CPT Codes

Unclassified CVI Codes 459.81, 187.2
Complex CVI 454, 454.1, 454.2, 454.8, I83.001, I83.002, I83.003, I83.004, I83.005, I83.008, I83.009, I83.011, I83.012, I83.013, I83.014, I83.015, I83.018, I83.019, I83.021, I83.022, I83.023, I83.024, I83.025, I83.028, I83.029, I83.10, I83.11, I83.12, I83.201, I83.202, I83.203, I83.204, I83.205, I83.208, I83.209, I83.211, I83.212, I83.213, I83.214, I83.215, I83.218, I83.219, I83.221, I83.222, I83.223, I83.224, I83.225, I83.228, I83.229, I83.811, I83.812, I83.813, I83.819, I83.891, I83.892, I83.893, I83.899, 459.31, 459.32, 459.33, 459.39, I87.311, I87.312, I87.313, I87.319, I87.321, I87.322, I87.323, I87.329, I87.331, I87.332, I87.333, I87.339, I87.391, I87.392, I87.393, I87.399
Simple CVI
Short-term complication (< 90 d following surgery) 454.9, I83.90, I83.91, I83.92, I83.93, 459.3, I87.301, I87.302, I87.303, I87.309
 Blood transfusion 86999, 36430
 Cerebrovascular event 430, 431, 432.1, 432.9, 433, 433.01, 433.1, 433.11, 433.2, 433.21, 433.3, 433.31, 433.8, 433.81, 433.9, 433.91, 434, 434.01, 434.1, 434.11, 434.9, 434.91, I60.00, I60.01, I60.02, I60.10, I60.11, I60.12, I60.2, I60.20, I60.21, I60.22, I60.31, I60.32, I60.4, I60.51, I60.52, I60.6, I60.7, I60.8, I60.9, I61.0, I61.1, I61.2, I61.3, I61.4, I61.5, I61.6, I61.8, I61.9, I62.00, I62.01, I62.02, I62.03, I62.9, I63.00, I63.011, I63.012, I63.013, I63.019, I63.02, I63.031, I63.032, I63.033, I63.039, I63.09, I63.10, I63.111, I63.112, I63.113, I63.119, I63.12, I63.131, I63.132, I63.133, I63.139, I63.19, I63.20, I63.211, I63.212, I63.213, I63.219, I63.22, I63.231, I63.232, I63.233, I63.239, I63.29, I63.30, I63.311, I63.312, I63.313, I63.319, I63.321, I63.322, I63.323, I63.329, I63.331, I63.332, I63.333, I63.339, I63.341, I63.342, I63.343, I63.349, I63.39, I63.40, I63.411, I63.412, I63.413, I63.419, I63.421, I63.422, I63.423, I63.429, I63.431, I63.432, I63.433, I63.439, I63.441, I63.442, I63.443, I63.449, I63.49, I63.50, I63.511, I63.512, I63.513, I63.519, I63.521, I63.522, I63.523, I63.529, I63.531, I63.532, I63.533, I63.539, I63.541, I63.542, I63.543, I63.549, I63.59, I63.6, I63.8, I63.81, I63.89, I63.9, I65.01, I65.02, I65.03, I65.09, I65.1, I65.21, I65.22, I65.23, I65.29, I65.8, I65.9, I66.01, I66.02, I66.03, I66.09, I66.11, I66.12, I66.13, I66.19, I66.21, I66.22, I66.23, I66.29, I66.3, I66.8, I66.9
 DVT 451.11, 451.19, 453.4, 453.41, 453.42, 453.5, 453.51, 453.52, I82.401, I82.402, I82.403, I82.409, I82.411, I82.412, I82.413, I82.419, I82.421, I82.422, I82.423, I82.429, I82.431, I82.432, I82.433, I82.439, I82.441, I82.442, I82.443, I82.449, I82.451, I82.452, I82.453, I82.459, I82.461, I82.462, I82.463, I82.469, I82.491, I82.492, I82.493, I82.499, I82.4Y1, I82.4Y2, I82.4Y3, I82.4Y9, I82.4Z1, I82.4Z2, I82.4Z3, I82.4Z9, I82.501, I82.502, I82.503, I82.509, I82.511, I82.512, I82.513, I82.519, I82.521, I82.522, I82.523, I82.529, I82.531, I82.532, I82.533, I82.539, I82.541, I82.542, I82.543, I82.549, I82.551, I82.552, I82.553, I82.559, I82.561, I82.562, I82.563, I82.569, I82.591, I82.592, I82.593, I82.599, I82.5Y1, I82.5Y2, I82.5Y3, I82.5Y9, I82.5Z1, I82.5Z2, I82.5Z3, I82.5Z9
 Ileus 560.1, NA, 560.1, K56.0, K56.7
 Kidney injury 584.5, 584.6, 584.7, 584.8, 584.9, N17.0, N17.1, N17.2, N17.8, N17.9, N19, N99.0
 Pancreatitis 577, K85.9, K85.90, K85.91, K85.92
 Periprosthetic joint infection 996.66, 996.67, T84.53XA, T84.54XA
 Pneumonia 480, 480.1, 480.2, 480.3, 480.8, 480.9, 481, 482, 482.1, 482.2, 482.3, 482.31, 482.32, 482.39, 482.4, 482.41, 482.42, 482.49, 482.82, 482.83, 482.89, 482.9, 483, 483.1, 483.8, 484.1, 484.3, 484.6, 484.7, 484.8, 485, 486, 487, 997.31, J09.X1, J10.00, J10.01, J10.08, J11.00, J11.08, J12.0, J12.1, J12.2, J12.3, J12.81, J12.82, J12.89, J12.9, J13, J14, J15.0, J15.1, J15.20, J15.211, J15.212, J15.29, J15.3, J15.4, J15.5, J15.6, J15.7, J15.8, J15.9, J16.0, J16.8, J17, J18.0, J18.1, J18.2, J18.8, J18.9, J85.1, J95.851
 Pulmonary embolism 415.11, 415.13, 415.19, 416.2, I26.09, I26.90, I26.92, I26.99, I27.82
 Respiratory failure 518.51, 518.52, 518.53, 518.81, 518.82, 518.83, 518.84, J95.2, J95.3, J95.821, J95.822, J96.00, J96.01, J96.02, J96.10, J96.11, J96.12, J96.20, J96.21, J96.22, J96.90, J96.91, J96.92
 Thrombocytopenia 287.3, 287.39, 287.5, D69.49, D69.59, D69.6
 UTI 599, N39.0
 Wound dehiscence 998.32, 998.83, T81.31XA
Long-term complication (< 2 y following surgery)
 Extensor mechanism disruption 727.66, M66.261, M66.262, M66.269
 Implant complication 996.47, T84.092A, T84.093A
 Implant loosening 996.41, T84.032A, T84.033A
 MCL injury 844.1, S83.411A, S83.412A, S83.419A
 Osteolysis 996.45, T84.052A, T84.053A
 Pain due to prosthetic 996.77, T84.84XA
 Periprosthetic fracture 996.44, M97.11XA, M97.12XA, T84.042A, T84.043A
 Prosthetic breakdown 996.43, T84.012A, T84.013A
 Prosthetic instability T84.022A, T84.023A
 Stiffness 719.56, M25.661, M25.662, M25.669

CVI, chronic venous insufficiency; ICD, international classification of diseases; CPT, current procedural terminology; DVT, deep vein thrombosis; UTI, urinary tract infection; MCL, medial collateral ligament.