ICD-9-CM procedure code (retired)
92.31 — Single source photon radiosurgery
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 92.31
92.31 is an ICD-9-CM procedure code for single source photon radiosurgery. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 4 ICD-10-PCS codes, such as D020DZZ (Stereotactic Other Photon Radiosurgery of Brain), D021DZZ (Stereotactic Other Photon Radiosurgery of Brain Stem) and D027DZZ (Stereotactic Other Photon Radiosurgery of Peripheral Nerve). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 92.31
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.