Document Detail

Evaluation of ICD-9-CM codes for craniofacial microsomia.
MedLine Citation:
PMID:  22903955     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Craniofacial microsomia (CFM) is a congenital condition characterized by microtia and mandibular underdevelopment. Healthcare databases and birth defects surveillance programs could be used to improve knowledge of CFM. However, no specific International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) code exists for this condition, which makes standardized data collection challenging. Our aim was to evaluate the validity of existing ICD-9-CM codes to identify individuals with CFM.
METHODS: Study sample eligibility criteria were developed by an expert panel and matched to 11 ICD-9-CM codes. We queried hospital discharge data from two craniofacial centers and identified a total of 12,254 individuals who had ≥1 potentially CFM-related code(s). We reviewed all (n = 799) medical records identified at the University of North Carolina (UNC) and 500 randomly selected records at Seattle Children's Hospital (SCH). Individuals were classified as a CFM case or non-case.
RESULTS: Thirty-two individuals (6%) at SCH and 93 (12%) at UNC met the CFM eligibility criteria. At both centers, 59% of cases and 95% of non-cases had only one code assigned. At both centers, the most frequent codes were 744.23 (microtia), 754.0 and 756.0 (nonspecific codes), and the code 744.23 had a positive predictive value (PPV) >80% and sensitivity >70%. The code 754.0 had a sensitivity of 3% (PPV <1%) at SCH and 36% (PPV = 5%) at UNC, whereas 756.0 had a sensitivity of 38% (PPV = 5%) at SCH and 18% (PPV = 26%) at UNC.
CONCLUSIONS: These findings suggest the need for a specific CFM code to facilitate CFM surveillance and research.
Daniela V Luquetti; Babette S Saltzman; Daniela Vivaldi; Luiz A Pimenta; Anne V Hing; Cynthia H Cassell; Jacqueline R Starr; Carrie L Heike
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, N.I.H., Extramural     Date:  2012-08-18
Journal Detail:
Title:  Birth defects research. Part A, Clinical and molecular teratology     Volume:  94     ISSN:  1542-0760     ISO Abbreviation:  Birth Defects Res. Part A Clin. Mol. Teratol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-14     Completed Date:  2013-10-01     Revised Date:  2013-12-05    
Medline Journal Info:
Nlm Unique ID:  101155107     Medline TA:  Birth Defects Res A Clin Mol Teratol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  990-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
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MeSH Terms
Clinical Coding / methods*
Craniofacial Abnormalities*
Data Collection
Databases, Factual
International Classification of Diseases / standards*
United States
Grant Support

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