213 Benign neoplasm of bone and articular cartilage
Includes: cartilage (articular) (joint)
periosteum
Excludes: cartilage of:
ear (215.0)
eyelid (215.0)
larynx (212.1)
nose (212.0)
exostosis NOS (726.91)
synovia (215.0-215.9)
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