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PGT-M conditions

This table shows all PGT-M conditions currently approved and awaiting consideration by the HFEA.

Please note that we are updating this database, and some approved conditions may not be displayed. If you are unsure if a condition has been approved or not, please contact

Download full approved condition list.

Condition name Status OMIM number Documents
Metabolic Crises, Recurrent, with Rhabdomyolysis, Cardiac Arrhythmias, and Neurodegeneration (MECRCN) approved 616878
Metachromatic Leukodystrophy (MLD) approved 250100
Metaphyseal Dysplasia without Hypotrichosis approved 250460
Metatropic dysplasia approved 156530
Methylmalonic Acidemia (MMA) approved 251000
Methylmalonic Acidemia cb1A approved 251100
Methylmalonic Acidemia cb1B approved 251110
Methylmalonic Aciduria and Homocystinuria approved 277400
Micro Syndrome (WARBM) approved 600118
Microcephalic Osteodysplastic Primordial Dwarfism Type 1, (MOPD1) approved 210710
Microcephalic Osteodysplastic Primordial Dwarfism Type 2, (MOPD2) approved 210720
Microcephaly with or without chorioretinopathy, lymphoedema or mental retardation approved 152950
Microcephaly, seizures, and developmental delay (MCSZ) approved 613402
Microcephaly, Short Stature and Polymicrogyria with or without seizures (MSSP) approved 614833
Microhydranencephaly (MHAC) awaiting approval 605013
Minicore Myopathy with External Ophthalmoplegia approved 255320
Mismatch Repair Cancer Syndrome (MMRCS) approved 276300
Mismatch Repair Cancer Syndrome 2, (MMRCS2) approved 619096
Mismatch Repair Cancer Syndrome 3, (MMRCS3) approved 619097
Mismatch Repair Cancer Syndrome 4, (MMRCS4) approved 619101