ICD-9-CM procedure code (retired)
17.61 — Laser interstitial thermal therapy [LITT] of lesion or tissue of brain under guidance
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 17.61
17.61 is an ICD-9-CM procedure code for laser interstitial thermal therapy [LITT] of lesion or tissue of brain under guidance. 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 2 ICD-10-PCS codes. All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- D0Y0KZZLaser Interstitial Thermal Therapy of Brainapproximate
- D0Y1KZZLaser Interstitial Thermal Therapy of Brain Stemapproximate
Common questions about 17.61
What is the ICD-10 code for ICD-9 17.61?
- The GEMs map 17.61 to ICD-10-PCS D0Y0KZZ and D0Y1KZZ.
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.