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Related Experiment Video

Updated: Jun 21, 2026

An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)

An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)

Published on: January 27, 2010

Prospective study of coding practices for cesarean deliveries.

Nancy Chescheir¹, Laura Meints

¹From the Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, North Carolina; and Vanderbilt University Medical Center, Nashville, Tennessee.

Obstetrics and Gynecology

|July 23, 2009

Summary

Hospital coding for cesarean delivery admissions shows significant variation. Coders inconsistently applied diagnosis-related group (DRG) and International Classification of Diseases, 9th Revision (ICD-9) codes, impacting data accuracy.

Related Experiment Videos

Last Updated: Jun 21, 2026

An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)

An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)

Published on: January 27, 2010

Area of Science:

Healthcare Administration
Medical Coding
Health Informatics

Background:

Accurate hospital coding is crucial for patient care, billing, and health services research.
Cesarean delivery admissions represent a significant volume of inpatient cases requiring precise coding.
Variability in coding practices can lead to discrepancies in healthcare data and reimbursement.

Observation:

Hospital coders from 11 institutions evaluated hypothetical cesarean delivery cases.
Coders assigned diagnosis-related groups (DRGs), International Classification of Diseases, 9th Revision (ICD-9) codes, and procedure codes.
Responses were analyzed to assess consistency in coding practices.

Findings:

Consensus in DRG coding was achieved in only two-thirds of cases.
Significant variation was observed in the use of ICD-9 codes, with many codes used uniquely by single institutions.
Procedure code usage also demonstrated considerable variability among institutions.

Implications:

The study highlights inconsistencies in hospital coding for cesarean deliveries.
Caution is advised for providers, coders, and institutions when using DRG, procedure, and ICD-9 codes for these cases.
The findings underscore the complexity of medical coding and the need for standardized training and guidelines.