2007 ICD-9-CM Procedure 99.88 Therapeutic photopheresis A process in which peripheral blood is exposed in an extracorporeal flow system to photoactivated 8-methoxypsoralen (METHOXSALEN) and ultraviolet light - a procedure known as PUVA THERAPY. Photopheresis is at present a standard therapy for advanced cutaneous T-cell lymphoma; it shows promise in the treatment of autoimmune diseases. 99.88 is a specific code that can be used to specify a procedure 99.88 contains 3 index entries View the full Volume 3 99.* hierarchy 99.88 also known as: Extracorporeal photochemotherapy Extracorporeal photopheresis 99.88 excludes: other phototherapy (99.83) ultraviolet light therap (99.82) Index entries containing 99.88: Extracorporeal photopheresis, therapeutic 99.88 Photochemotherapy NEC 99.83 extracorporeal 99.88 Photopheresis, therapeutic 99.88