ICD-9-CM procedure code (retired)
40.64 — Ligation of thoracic duct
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 40.64
40.64 is an ICD-9-CM procedure code for ligation of thoracic duct. 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 9 ICD-10-PCS codes, such as 07LK0CZ (Occlusion of Thoracic Duct with Extraluminal Device, Open Approach), 07LK0DZ (Occlusion of Thoracic Duct with Intraluminal Device, Open Approach) and 07LK0ZZ (Occlusion of Thoracic Duct, Open Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
- 07LK0CZOcclusion of Thoracic Duct with Extraluminal Device, Open Approachapproximate
- 07LK0DZOcclusion of Thoracic Duct with Intraluminal Device, Open Approachapproximate
- 07LK0ZZOcclusion of Thoracic Duct, Open Approachapproximate
- 07LK3CZOcclusion of Thoracic Duct with Extraluminal Device, Percutaneous Approachapproximate
- 07LK3DZOcclusion of Thoracic Duct with Intraluminal Device, Percutaneous Approachapproximate
- 07LK3ZZOcclusion of Thoracic Duct, Percutaneous Approachapproximate
- 07LK4CZOcclusion of Thoracic Duct with Extraluminal Device, Percutaneous Endoscopic Approachapproximate
- 07LK4DZOcclusion of Thoracic Duct with Intraluminal Device, Percutaneous Endoscopic Approachapproximate
- 07LK4ZZOcclusion of Thoracic Duct, Percutaneous Endoscopic Approachapproximate
Common questions about 40.64
What is the ICD-10 code for ICD-9 40.64?
- The GEMs map 40.64 to ICD-10-PCS 07LK0CZ, 07LK0DZ, 07LK0ZZ, 07LK3CZ, 07LK3DZ, 07LK3ZZ and 3 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.