The list of endorsed National Diagnostic Protocols is correct as of August 2021.
An Excel document of endorsed and draft National Diagnostic Protocols is also available.
| NDP number | Scientific name | Common name | IPPC protocol available* | National Priority Plant Pest* | National Priority Exotic Environmental Pest* | High Priority Pest* |
| NDP 1 | Monilinia fructigena | Apple brown rot | – | – | N | Y |
| NDP 2 | Plum pox virus (Potyvirus) | Plum pox virus | DP 02 | 24 | N | Y |
| NDP 3 | Scirtothrips perseae | Avocado thrips | – | – | N | Y |
| NDP 4 | Echinothrips americanus | Poinsettia thrips | – | – | N | N |
| NDP 5 | Phytophthora ramorum | Sudden oak death | DP 23 | 14 | Y | Y |
| NDP 6 | Xylella fastidiosa | Pierce’s disease | DP 25 | 1 | Y | Y |
| NDP 7 | Potato spindle tuber viroid (Pospiviroidae) | PSTVd | DP 07 | – | N | Y |
| NDP 8 | Clavibacter michiganensis subsp. sepedonicus | Potato ring rot | – | – | N | N |
| NDP 9 | Xanthomonas citri subsp. citri | Citrus canker | DP 06 | 16 | N | Y |
| NDP 10 | Cherry leaf roll virus (Nepovirus) | Blackline | – | – | N | N |
| NDP 11 | Cryphonectria parasitica | Chestnut blight | – | – | N | Y |
| NDP 12 | Candidatus Phytoplasma prunorum | European stone fruit yellows | – | – | N | N |
| NDP 13 | Phyllosticta ampelicida (syn. Guignardia bidwellii) | Black rot | – | – | N | Y |
| NDP 14 | Pyricularia oryzae (syn. Magnaporthe grisea) | Rice blast | – | – | N | Y |
| NDP 15 | Potato mop top virus (Pomovirus) | Potato mop top virus | – | – | N | N |
| NDP 16 | Synchytrium endobioticum | Potato wart | – | – | N | N |
| NDP 17 | Candidatus Phytoplasma pruni | X disease | – | – | N | N |
| NDP 18 | Candidatus Liberibacter solanacearum | Zebra chip | DP 21 | 13 | N | Y |
| NDP 19 | Tilletia indica | Karnal bunt | DP 04 | 5 | N | Y |
| NDP 20 | Bactericera cockerelli | Tomato potato psyllid | – | – | N | Y |
| NDP 21 | Neonectria ditissima | European canker | – | – | N | Y |
| NDP 22 | Leptinotarsa decemlineata | Colorado potato beetle | – | – | N | Y |
| NDP 23 | Homalodisca vitripennis | Glassy winged sharp shooter | – | – | N | Y |
| NDP 24 | Dendroctonus valens | Red turpentine beetle | – | – | N | Y |
| NDP 25 | Candidatus Liberibacter asiaticus | Huanglongbing | – | – | N | Y |
| NDP 26 | Plenodomus tracheiphilus (syn. Phoma tracheiphila) | Mal secco | – | – | N | N |
| NDP 27 | Liriomyza trifolii | American serpentine leafminer | DP 16 | 20 | N | Y |
| NDP 28 | Diuraphis noxia | Russian wheat aphid | – | – | N | Y |
| NDP 29 | Phakopsora euvitis | Grapevine leaf rust | – | 39 | N | N |
| NDP 30 | Adoxophyes orana | Summer fruit tortrix | – | – | N | N |
| NDP 31 | Uromyces viciae-fabae (lentil strain) | Lentil rust | – | – | N | N |
| NDP 32 | Endocronartium harknessii | Pine gall rust | – | – | N | Y |
| NDP 33 | Protopulvinaria pyriformis | Pyriform scale | – | – | N | N |
| NDP 34 | Pulvinaria iceryi | Pulvinaria scale | – | – | N | N |
| NDP 35 | Roesleria subterranea | Grape root rot | – | – | N | N |
| NDP 36 | Fusarium oxysporum f. sp. ciceris | Fusarium wilt of chickpea | – | – | N | Y |
| NDP 37 | Ophiostoma ulmi | Dutch elm disease | – | 41 | N | N |
| NDP 38 | Puccinia striiformis f. sp. hordei | Barley stripe rust | – | – | N | Y |
| NDP 39 | Phytoptus avellanae | Hazelnut big bud mite | – | – | N | N |
| NDP 40 | Diaporthe helianthi | Sunflower stem canker | – | – | N | Y |
| NDP 41 | Mayetiola destructor | Hessian fly | – | 28 | N | Y |
| NDP 42 | Lymantria dispar | Asian gypsy moth, gypsy moth complex | – | 8 | Y | Y |
| NDP 43 | Ceratovacuna lanigera | Sugarcane woolly aphid | – | – | N | Y |