Skip to content
Dx

ICD-9-CM procedure code (retired)

99.99 — Other miscellaneous procedures

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 99.99

99.99 is an ICD-9-CM procedure code for other miscellaneous procedures. 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 375 ICD-10-PCS codes, such as 019030Z (Drainage of Cervical Plexus with Drainage Device, Percutaneous Approach), 01903ZZ (Drainage of Cervical Plexus, Percutaneous Approach) and 019130Z (Drainage of Cervical Nerve with Drainage Device, Percutaneous Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 99.99

What is the ICD-10 code for ICD-9 99.99?

The GEMs map 99.99 to ICD-10-PCS 019030Z, 01903ZZ, 019130Z, 01913ZZ, 019230Z, 01923ZZ and 369 more.

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.