Shifts in National Rates of Inpatient Prolapse Surgery Emphasize Current Coding Inadequacies

From the *Department of Obstetrics and Gynecology, Duke University, Durham, NC
Journal of Pelvic Medicine and Surgery (Impact Factor: 1.09). 07/2011; 17(4):204-8. DOI: 10.1097/SPV.0b013e3182254cf1
Source: PubMed


: This study aimed to assess national rates, types, and routes of inpatient surgery for pelvic organ prolapse in the United States in 1998 compared to those in 2007.
: We used the 1998 and 2007 Nationwide Inpatient Sample, which represents a stratified, random sample of discharge data from US hospitals. We included women 20 years and older who underwent surgery for prolapse based on diagnosis and procedure codes of the International Classification of Disease, 9th Revision, Clinical Modification. We calculated the number of women undergoing surgery each year and incidence rates.
: The total number of women undergoing prolapse surgeries was 92,503 in 1998 versus 113,646 in 2007. The incidence rate of surgery increased slightly, from 90.8 to 100.9 per 100,000 women, respectively. The most common procedure was hysterectomy, representing approximately half of prolapse surgeries in 1998 and 2007. Suspension procedures accounted for 18.8% of procedures in 2007, an increase from 6.1% in 1998. Surgeries performed via a minimally invasive route increased from 4.8% in 1998 to 9.4% in 2007. However, it was difficult to determine the route for many procedures based on current ICD-9 codes. There were also no codes that specifically designated mesh kit procedures or minimally invasive sacrocolpopexies.
: During the last decade, the rate of inpatient prolapse surgery has slightly increased. The proportion of suspension procedures has increased; however, it is difficult to determine the route of these procedures based on current ICD-9 codes. These findings emphasize that ICD-9 procedure codes have not kept up with changes in clinical practice.

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