--- title: "CRTD COBALT XT HF MRI IS1 DF4, Model Number DTPA2D4; Implantable Cardioverter... — FDA record Z-1777-2023 | Is It on Recall" description: "There is a rare potential for reduced- or no-energy output during high voltage (HV) therapy (typically 0-12J) in implantable cardioverter defibrillators (ICDs)" url: https://isitonrecall.com/recall/fda-device-z-1777-2023-crtd-cobalt-xt-hf-mri-is1-df4-model-number-dtpa2d4-implantable-cardioverter-defibrillators/ updated: 2026-10-01 site: "Is It on Recall" language: en --- [Recall archive](https://isitonrecall.com/archives/) / FDA device enforcement # CRTD COBALT XT HF MRI IS1 DF4, Model Number DTPA2D4; Implantable Cardioverter Defibrillators — FDA record Z-1777-2023 Reported ongoing Status as reported in the agency record. FDA warns that enforcement status may not track the current recall lifecycle; check the current official notice. Source date May 10, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026. Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/). ## What the record says - **Product**: CRTD COBALT XT HF MRI IS1 DF4, Model Number DTPA2D4; Implantable Cardioverter Defibrillators - **Reason**: There is a rare potential for reduced- or no-energy output during high voltage (HV) therapy (typically 0-12J) in implantable cardioverter defibrillators (ICDs) and cardiac resynchronization therapy defibrillators (CRT-Ds) manufactured with a specific (glassed) feedthrough, including currently available ICDs and CRT-Ds. - **Classification**: Class I - **Recalling firm**: Medtronic Inc., Cardiac Rhythm and Heart Failure (CRHF) - **Quantity**: 1914 units - **Agency-reported status**: Ongoing - **Source record identifier**: Z-1777-2023 [Open the official record](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-1777-2023%22) [What the recall classes mean](https://isitonrecall.com/guides/recall-classes/). Classification is an agency assessment, not individual medical advice. ## Lot and product identifiers | Label field | Details supplied by the agency | | --- | --- | | Lot, code or applicability | GTIN 00763000178130, Lot Serial Numbers: RTG605297S, RTG605299S, RTG600588S, RTG601635S, RTG601691S, RTG601840S, RTG601857S, RTG602986S, RTG601966S, RTG601364S, RTG601621S, RTG600270S, RTG600554S, RTG601405S, RTG601699S, RTG601977S, RTG605270S, RTG600137S, RTG600138S, RTG600181S, RTG600271S, RTG600618S, RTG600620S, RTG600621S, RTG600622S, RTG600640S, RTG601395S, RTG601441S, RTG601681S, RTG601783S, RTG601896S, RTG601945S, RTG601948S, RTG602037S, RTG602040S, RTG602042S, RTG602047S, RTG602165S, RTG602166S, RTG602167S, RTG602340S, RTG605614S, RTG602039S, RTG602228S, RTG602306S, RTG602477S, RTG605996S, RTG605997S, RTG604903S, RTG600228S, RTG600332S, RTG601906S, RTG602441S, RTG605330S, RTG605332S, RTG605838S, RTG601643S, RTG606091S, RTG600317S, RTG600255S, RTG600467S, RTG604871S, RTG605042S, 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RTG605224S, RTG600164S, RTG600319S, RTG601479S, RTG601685S, RTG602143S, RTG602146S, RTG602170S, RTG600272S, RTG601908S, RTG604665S, RTG600322S, RTG600593S, RTG601392S, RTG601809S, RTG601846S, RTG601999S, RTG602188S, RTG602192S, RTG602213S, RTG602315S, RTG602483S, RTG602484S, RTG602892S, RTG602971S, RTG600574S, RTG601773S, RTG601778S, RTG601830S, RTG601972S, RTG602128S, RTG602130S, RTG602183S, RTG602310S, RTG602974S, RTG603009S, RTG603059S, RTG605597S, RTG605717S, RTG602463S, RTG600293S, RTG601645S, RTG601649S, RTG601650S, RTG602937S, RTG602938S, RTG602939S, RTG602940S, RTG602941S, RTG604493S, RTG604495S, RTG601397S, RTG601890S, RTG602320S, RTG600237S, RTG601418S, RTG601899S, RTG602881S, RTG601447S, RTG602316S, RTG602465S, RTG603052S, RTG605862S, RTG600167S, RTG602171S, RTG604340S, RTG605072S, RTG600308S, RTG605821S, RTG606021S, RTG605479S, RTG605480S, RTG601859S, RTG602053S, RTG602054S, RTG605798S, RTG605881S, RTG600298S, RTG600501S, RTG601487S, RTG605591S, RTG600267S, RTG600423S, RTG601662S, RTG601670S, RTG601679S, RTG601767S, RTG601866S, RTG602433S, RTG602446S, RTG602456S, RTG602460S, RTG602496S, RTG602896S, RTG602975S, RTG602985S, RTG600202S, RTG600384S, RTG601349S, RTG601574S, RTG601612S, RTG602341S, RTG602342S, RTG602482S, RTG601346S, RTG601489S, RTG601828S, RTG602168S, RTG602236S, RTG601435S, RTG601858S, RTG602220S, RTG600579S, RTG600458S, RTG601661S, RTG601860S, RTG604567S, RTG605175S, RTG602647S, RTG602656S, RTG605274S, RTG601905S, RTG602507S, RTG600402S, RTG601365S, RTG601658S, RTG601659S, RTG601876S, RTG601877S, RTG602359S, RTG601529S, RTG602968S, RTG606045S, RTG600297S, RTG605075S, RTG605083S, RTG601615S, RTG605087S, RTG605912S, RTG600533S, RTG601386S, RTG601532S, RTG601689S, RTG601786S, RTG601891S, RTG602203S, RTG600139S, RTG600169S, RTG600261S, RTG600343S, RTG600664S, RTG600665S, RTG601376S, RTG601520S, RTG601613S, RTG602159S, RTG602487S, RTG600305S, RTG601629S, RTG601636S, RTG601647S, RTG601652S, RTG601683S, RTG601875S, RTG601917S, RTG602218S, RTG602435S, RTG602877S, RTG602885S, RTG605677S, RTG605833S, RTG605908S, RTG605909S, RTG606013S, RTG606014S, RTG606099S, RTG606100S, RTG601604S, RTG601790S, RTG600279S, RTG601446S, RTG605974S, RTG600225S, RTG600520S, RTG600555S, RTG601375S, RTG602185S, RTG602491S, RTG602492S, RTG602931S, RTG603078S, RTG603368S, RTG603019S, RTG605715S, RTG600530S, RTG600569S, RTG601599S, RTG601761S, RTG601898S, RTG602224S, RTG601414S, RTG601432S, RTG601695S, RTG602164S, RTG602448S, RTG601762S, RTG603883S, RTG602117S, RTG601619S, RTG601624S, RTG601626S, RTG601630S, RTG601632S, RTG602946S, RTG602947S, RTG602948S, RTG602949S, RTG602950S, RTG602951S, RTG602952S, RTG602953S, RTG603010S, RTG603011S, RTG603013S, RTG605305S, RTG605306S, RTG600283S, RTG601449S, RTG601515S, RTG601625S, RTG601771S, RTG601791S, RTG601827S, RTG601845S, RTG601916S, RTG601919S, RTG601920S, RTG601931S, RTG602153S, RTG602235S, RTG602453S, RTG602459S, RTG602495S, RTG602497S, RTG602887S, RTG602888S, RTG602506S, RTG602182S, RTG602466S, RTG605552S, RTG602015S, RTG600394S, RTG600568S, RTG601374S, RTG601638S, RTG601851S, RTG602544S, RTG602935S, RTG600159S, RTG600194S, RTG600324S, RTG600336S, RTG600596S, RTG601511S, RTG601994S, RTG602160S, RTG602440S, RTG602879S, RTG602956S, RTG602960S, RTG601914S, RTG602339S, RTG602502S, RTG602987S, RTG604907S, RTG606089S, RTG600581S, RTG601460S, RTG602473S, RTG602926S, RTG605775S, RTG601422S, RTG602490S, RTG600273S, RTG601383S, RTG600591S, RTG600307S, RTG600447S, RTG601474S, RTG602208S, RTG600208S, RTG606092S, RTG601832S, RTG605704S, RTG602018S, RTG605598S, RTG605759S, RTG602069S, RTG604873S, RTG600196S, RTG601339S, RTG601644S, RTG605921S, RTG600143S, RTG600259S, RTG600597S, RTG601605S, RTG601843S, RTG601856S, RTG602136S, RTG602152S, RTG602488S, RTG602988S, RTG605152S, RTG601852S, RTG602139S, RTG602338S, RTG602172S, RTG601872S, RTG602365S, RTG603037S, RTG600476S, RTG600296S, RTG600492S, RTG601327S, RTG601423S, RTG601675S, RTG601680S, RTG601849S, RTG601871S, RTG601958S, RTG602025S, 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RTG603405S, RTG603406S, RTG603409S, RTG603410S, RTG603413S, RTG603414S, RTG603415S, RTG603416S, RTG603417S, RTG603418S, RTG603421S, RTG603423S, RTG603424S, RTG603425S, RTG603426S, RTG603427S, RTG603428S, RTG603429S, RTG603430S, RTG603431S, RTG603577S, RTG603586S, RTG603587S, RTG603588S, RTG603590S, RTG603591S, RTG603592S, RTG603597S, RTG603598S, RTG603599S, RTG603600S, RTG603601S, RTG603603S, RTG603604S, RTG603606S, RTG603607S, RTG603608S, RTG603609S, RTG603610S, RTG603611S, RTG603613S, RTG603614S, RTG603615S, RTG603616S, RTG603617S, RTG603618S, RTG603620S, RTG603623S, RTG603671S, RTG603695S, RTG603696S, RTG603697S, RTG603698S, RTG603699S, RTG603700S, RTG603703S, RTG603706S, RTG603724S, RTG603727S, RTG603771S, RTG603772S, RTG603773S, RTG603774S, RTG603775S, RTG603776S, RTG603777S, RTG603832S, RTG603833S, RTG603834S, RTG603841S, RTG603842S, RTG603843S, RTG603844S, RTG603847S, RTG603850S, RTG603851S, RTG603852S, RTG603853S, RTG603854S, RTG603857S, RTG603858S, RTG603859S, RTG603860S, RTG603861S, RTG603862S, RTG603863S, RTG603864S, RTG603865S, RTG603866S, RTG603867S, RTG603870S, RTG603871S, RTG603874S, RTG603878S, RTG603885S, RTG603893S, RTG603894S, RTG603897S, RTG603900S, RTG603901S, RTG603903S, RTG603914S, RTG603929S, RTG6... | The agency lot list is longer than this excerpt. [Read the complete list at the official source](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-1777-2023%22). Match all identifying details in the current notice. A brand name alone is not enough. ## Distribution US Nationwide - Worldwide Distribution States below are derived from the distribution text, including nationwide wording. They are not inferred from the firm's address. - [Alaska](https://isitonrecall.com/state/alaska/) - [Alabama](https://isitonrecall.com/state/alabama/) - [Arkansas](https://isitonrecall.com/state/arkansas/) - [Arizona](https://isitonrecall.com/state/arizona/) - [California](https://isitonrecall.com/state/california/) - [Colorado](https://isitonrecall.com/state/colorado/) - [Connecticut](https://isitonrecall.com/state/connecticut/) - [Delaware](https://isitonrecall.com/state/delaware/) - [Florida](https://isitonrecall.com/state/florida/) - [Georgia](https://isitonrecall.com/state/georgia/) - [Hawaii](https://isitonrecall.com/state/hawaii/) - [Iowa](https://isitonrecall.com/state/iowa/) - [Idaho](https://isitonrecall.com/state/idaho/) - [Illinois](https://isitonrecall.com/state/illinois/) - [Indiana](https://isitonrecall.com/state/indiana/) - [Kansas](https://isitonrecall.com/state/kansas/) - [Kentucky](https://isitonrecall.com/state/kentucky/) - [Louisiana](https://isitonrecall.com/state/louisiana/) - [Massachusetts](https://isitonrecall.com/state/massachusetts/) - [Maryland](https://isitonrecall.com/state/maryland/) - [Maine](https://isitonrecall.com/state/maine/) - [Michigan](https://isitonrecall.com/state/michigan/) - [Minnesota](https://isitonrecall.com/state/minnesota/) - [Missouri](https://isitonrecall.com/state/missouri/) - [Mississippi](https://isitonrecall.com/state/mississippi/) - [Montana](https://isitonrecall.com/state/montana/) - [North Carolina](https://isitonrecall.com/state/north-carolina/) - [North Dakota](https://isitonrecall.com/state/north-dakota/) - [Nebraska](https://isitonrecall.com/state/nebraska/) - [New Hampshire](https://isitonrecall.com/state/new-hampshire/) - [New Jersey](https://isitonrecall.com/state/new-jersey/) - [New Mexico](https://isitonrecall.com/state/new-mexico/) - [Nevada](https://isitonrecall.com/state/nevada/) - [New York](https://isitonrecall.com/state/new-york/) - [Ohio](https://isitonrecall.com/state/ohio/) - [Oklahoma](https://isitonrecall.com/state/oklahoma/) - [Oregon](https://isitonrecall.com/state/oregon/) - [Pennsylvania](https://isitonrecall.com/state/pennsylvania/) - [Rhode Island](https://isitonrecall.com/state/rhode-island/) - [South Carolina](https://isitonrecall.com/state/south-carolina/) - [South Dakota](https://isitonrecall.com/state/south-dakota/) - [Tennessee](https://isitonrecall.com/state/tennessee/) - [Texas](https://isitonrecall.com/state/texas/) - [Utah](https://isitonrecall.com/state/utah/) - [Virginia](https://isitonrecall.com/state/virginia/) - [Vermont](https://isitonrecall.com/state/vermont/) - [Washington](https://isitonrecall.com/state/washington/) - [Wisconsin](https://isitonrecall.com/state/wisconsin/) - [West Virginia](https://isitonrecall.com/state/west-virginia/) - [Wyoming](https://isitonrecall.com/state/wyoming/) ## Dates in the source - **Report date**: Jun 28, 2023 - **Recall initiation date**: May 10, 2023 - **Center classification date**: Jun 16, 2023 FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable. ## What to do next Read the official notice for the action that applies to your exact product. [Read the current instructions](https://api.fda.gov/device/enforcement.json?search=recall_number%3A%22Z-1777-2023%22) ## Related records [Medical devices records](https://isitonrecall.com/category/medical-devices/) [Medtronic Inc., Cardiac Rhythm and Heart Failure (CRHF) records](https://isitonrecall.com/brand/medtronic-inc-cardiac-rhythm-and-heart-failure-crhf/)