ICD-9-CM procedure code (retired)
00.01 — Therapeutic ultrasound of vessels of head and neck
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 00.01
00.01 is an ICD-9-CM procedure code for therapeutic ultrasound of vessels of head and neck. 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, such as 6A750Z4 (Ultrasound Therapy of Head and Neck Vessels, Single) and 6A751Z4 (Ultrasound Therapy of Head and Neck Vessels, Multiple). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 00.01
What is the ICD-10 code for ICD-9 00.01?
- The GEMs map 00.01 to ICD-10-PCS 6A750Z4 and 6A751Z4.
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.