0640TNoncontact near-infrared spectroscopy studies of flap or wound (eg, for measurement of deoxyhemoglobin, oxyhemoglobin, and ratio of tissue oxygenation [StO₂]); image acquisition, interpretation and report, each flap or wound0641TNoncontact near-infrared spectroscopy studies of flap or wound (eg, for measurement of deoxyhemoglobin, oxyhemoglobin, and ratio of tissue oxygenation [StO₂]); image acquisition only, each flap or wound0642TNoncontact near-infrared spectroscopy studies of flap or wound (eg, for measurement of deoxyhemoglobin, oxyhemoglobin, and ratio of tissue oxygenation [StO₂]); interpretation and report only, each flap or wound0643TTranscatheter left ventricular restoration device implantation including right and left heart catheterization and left ventriculography when performed, arterial approach0644TTranscatheter removal or debulking of intracardiac mass (eg, vegetations, thrombus) via suction (eg, vacuum, aspiration) device, percutaneous approach, with intraoperative reinfusion of aspirated blood, including imaging guidance, when performed0645TTranscatheter implantation of coronary sinus reduction device including vascular access and closure, right heart catheterization, venous angiography, coronary sinus angiography, imaging guidance, and supervision and interpretation, when performed0646TTranscatheter tricuspid valve implantation/replacement (TTVI) with prosthetic valve, percutaneous approach, including right heart catheterization, temporary pacemaker insertion, and selective right ventricular or right atrial angiography, when performed0647TInsertion of gastrostomy tube, percutaneous, with magnetic gastropexy, under ultrasound guidance, image documentation and report0648TQuantitative magnetic resonance for analysis of tissue composition (eg, fat, iron, water content), including multiparametric data acquisition, data preparation and transmission, interpretation and report, obtained without diagnostic MRI examination of the same anatomy (eg, organ, gland, tissue, target structure) during the same session0649TQuantitative magnetic resonance for analysis of tissue composition (eg, fat, iron, water content), including multiparametric data acquisition, data preparation and transmission, interpretation and report, obtained with diagnostic MRI examination of the same anatomy (eg, organ, gland, tissue, target structure) (List separately in addition to code for primary procedure)0650TProgramming device evaluation (remote) of subcutaneous cardiac rhythm monitor system, with iterative adjustment of the implantable device to test the function of the device and select optimal permanently programmed values with analysis, review and report by a physician or other qualified health care professional0651TMagnetically controlled capsule endoscopy, esophagus through stomach, including intraprocedural positioning of capsule, with interpretation and report0652TEsophagogastroduodenoscopy, flexible, transnasal; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)0653TEsophagogastroduodenoscopy, flexible, transnasal; with biopsy, single or multiple0654TEsophagogastroduodenoscopy, flexible, transnasal; with insertion of intraluminal tube or catheter0655TTransperineal focal laser ablation of malignant prostate tissue, including transrectal imaging guidance, with MR-fused images or other enhanced ultrasound imaging0656TVertebral body tethering, anterior; up to 7 vertebral segments0657TVertebral body tethering, anterior; 8 or more vertebral segments0658TElectrical impedance spectroscopy of 1 or more skin lesions for automated melanoma risk score0659TTranscatheter intracoronary infusion of supersaturated oxygen in conjunction with percutaneous coronary revascularization during acute myocardial infarction, including catheter placement, imaging guidance (eg, fluoroscopy), angiography, and radiologic supervision and interpretation0660TImplantation of anterior segment intraocular nonbiodegradable drug-eluting system, internal approach0661TRemoval and reimplantation of anterior segment intraocular nonbiodegradable drug-eluting implant0662TScalp cooling, mechanical; initial measurement and calibration of cap0663TScalp cooling, mechanical; placement of device, monitoring, and removal of device (List separately in addition to code for primary procedure)0664TDonor hysterectomy (including cold preservation); open, from cadaver donor0665TDonor hysterectomy (including cold preservation); open, from living donor0666TDonor hysterectomy (including cold preservation); laparoscopic or robotic, from living donor0667TDonor hysterectomy (including cold preservation); recipient uterus allograft transplantation from cadaver or living donor0668TBackbench standard preparation of cadaver or living donor uterine allograft prior to transplantation, including dissection and removal of surrounding soft tissues and preparation of uterine vein(s) and uterine artery(ies), as necessary0669TBackbench reconstruction of cadaver or living donor uterus allograft prior to transplantation; venous anastomosis, each0670TBackbench reconstruction of cadaver or living donor uterus allograft prior to transplantation; arterial anastomosis, each