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ICD-9-CM procedure code (retired)

40.22 — Excision of internal mammary lymph node

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 40.22

40.22 is an ICD-9-CM procedure code for excision of internal mammary lymph node. 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 6 ICD-10-PCS codes, such as 07B80ZZ (Excision of Right Internal Mammary Lymphatic, Open Approach), 07B83ZZ (Excision of Right Internal Mammary Lymphatic, Percutaneous Approach) and 07B84ZZ (Excision of Right Internal Mammary Lymphatic, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.

ICD-10-PCS equivalents

Common questions about 40.22

What is the ICD-10 code for ICD-9 40.22?

The GEMs map 40.22 to ICD-10-PCS 07B80ZZ, 07B83ZZ, 07B84ZZ, 07B90ZZ, 07B93ZZ and 07B94ZZ.

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.