Retrospective Cohort Study
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Feb 16, 2019; 11(2): 133-144
Published online Feb 16, 2019. doi: 10.4253/wjge.v11.i2.133
Table 1 International Classification of Disease, 9th Edition and Healthcare Common Procedure Coding System codes for claims data
ICD-9HCPCS
Endoscopic ultrasoundNA76975, 43231, 43232, 43237, 43238, 43242, 43259
Endoscopic retrograde cholangiopancreatography51.10, 51.11, 51.84-51.87, 51.99, 52.13, 52.9374328-74330, 43260-43269, 43271, 43272
Surgery52.51, 52.6, 52.748150, 48152, 48153, 48154, 48155
Jaundice782.4NA
Cholangitis576.1NA
Pruritus698.9NA