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ICD-9-CM procedure code (retired)

85.91 — Aspiration of breast

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 85.91

85.91 is an ICD-9-CM procedure code for aspiration of breast. 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 18 ICD-10-PCS codes, such as 0H9T3ZZ (Drainage of Right Breast, Percutaneous Approach), 0H9T7ZZ (Drainage of Right Breast, Via Natural or Artificial Opening) and 0H9T8ZZ (Drainage of Right Breast, Via Natural or Artificial Opening Endoscopic). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 85.91

What is the ICD-10 code for ICD-9 85.91?

The GEMs map 85.91 to ICD-10-PCS 0H9T3ZZ, 0H9T7ZZ, 0H9T8ZZ, 0H9TXZZ, 0H9U3ZZ, 0H9U7ZZ and 12 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.