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Classification 2025 Summer Edition
Worldwide source of medical classification resourcesNLM Classification Poster
The NLM Classification poster outlines the NLM Classification schedules.
The poster is updated irregularly. The latest poster is revised with 2020 data.
An 8.5” x 11” high resolution version of the 2020 poster is available in PDF.
PDF documents require the use of the Adobe® Acrobat® Reader, which can be downloaded from Adobe's Web site at no charge.
Note: The NLM Classification Poster is updated irregularly.
For an online text version of the NLM Classification Schedule content, see Outline of the NLM Classification.