Identification of idiopathic inflammatory myopathy research cohorts using international classification of disease (ICD) codes: A systematic review.

ABSTRACT:

Objective

To summarize studies validating International Classification of Disease (ICD) coding for idiopathic inflammatory myopathies (IIM) case identification, focusing on dermatomyositis (DM) and polymyositis (PM).

Methods

PubMed, Scopus, Embase, and CINAHL search was performed with a medical librarian (Prospero #CRD4202452377). Inclusion criteria required: English language, use of ICD-9 and/or -10 coding to identify cases, and clear method for validating cases.

Results

3684 citations were screened by title/abstract resulting in 69 full-text publications reviewed with 11 articles meeting inclusion criteria. Of the included studies, 5 evaluated only ICD-9, 5 evaluated only ICD-10, and one study evaluated both. All but one study in the US were single center, while tho

SUBMITTER: Allenzara A 

PROVIDER: S-EPMC12547942 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature