Surgeon Gender-Related Differences in Operative Coding in Plastic Surgery

Loree K. Kalliainen, Alison B. Chambers, Joseph Crozier, Heidi Conrad, Mary Jo Iozzio, Joan E. Lipa, Debra Johnson, Juliana E. Hansen

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Background: Numerous studies in the medical and surgical literature have discussed the income gap between male and female physicians, but none has adequately accounted for the disparity. Methods: This study was performed to determine whether gender-related billing and coding differences may be related to the income gap. A 10 percent minimum difference was set a priori as statistically significant. A cohort of 1036 candidates' 9-month case lists for the American Board of Plastic Surgery over a 5-year span (2014 to 2018) was evaluated for relationships between surgeon gender and work relative value units, coding information, major and minor cases performed, and work setting. Data were deidentified by the American Board of Plastic Surgery before evaluation. The authors hypothesized that work relative value units, average codes per case, major cases, and minor cases would be at least 10 percent higher for male than for female physicians. Results: Significant differences were found between male and female surgeons in work relative value units billed, work relative value units billed per case, and the numbers of major cases performed. The average total work relative value units for male surgeons was 19.34 percent higher than for female surgeons [3253.2 (95 percent CI, 3090.5 to 3425.8) versus 2624.1 (95 percent CI, 2435.2 to 2829.6)]. Male surgeons performed 14.28 percent more major cases than female surgeons [77.6 percent (95 percent CI, 72.7 to 82.7 percent) versus 90.5 percent (95 percent CI, 86.3 to 94.9 percent); p = 0.0002]. Conclusions: The authors' findings support the hypothesis that billing and coding practices can, in part, account for income differences between male and female plastic surgeons. Potential explanations include practices focusing on larger and more complex operative cases and differences in coding practices.

Original languageEnglish (US)
Pages (from-to)1095E-1103E
JournalPlastic and reconstructive surgery
Volume150
Issue number5
DOIs
StatePublished - Nov 1 2022
Externally publishedYes

ASJC Scopus subject areas

  • Surgery

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