Hearing implant service
Making a referral
We accept referrals from:
- ear, nose and throat (ENT) consultants
- audiological doctors
- scientists and technicians
- speech and language therapists
- teachers of the deaf
A medical referral is necessary for NHS funded care.
Please complete the adult hearing implant referral form and email it to us.
To refer a child, please visit the hearing implant centre referrals page on the Evelina London Children’s website.
To request specialist information, please email us.
- Pure tone audiometric threshold equal to or greater than 80dB hearing loss at 2 or more frequencies (500Hz, 1000Hz, 2000Hz, 3000Hz and 4000Hz) bilaterally without acoustic hearing aids
- Limited benefit from wearing hearing aids
- Children: do not wait for speech and language delay
- Congenital, acquired, progressive, sudden onset
- Unsuitable for cochlear implants
- Under 5 years of age
- Non-neurofibromatosis type 2
- Cochlear nerve aplasia
- Cochlear obliteration (ostosclerosis, ossification)
- Cochlear nerve avulasion (skull base fracture)
- Pure tone audiometry thresholds at 65dB up to 750dB
- No air-bone gap greater than 15dBHL
- Limited benefit from hearing aids
- No contraindications to wearing an ear mould
- Sensorineural hearing loss (SNHL) (air conduction (AC) thresholds within shaded area) or mixed/ conductive hearing loss (CHL) (bone conduction (BC) thresholds within darker outline)
- stable hearing loss
- inability to wear conventional hearing aids due to medical reasons
- no retro-cochlear or central auditory pathology
- Bone conduction thresholds within green area
- Patient cannot wear conventional hearing aids due to chronic otitis media or otitis externa, congenital malformations, otosclerosis or recurrent ear infections due to hearing aid usage
- Unilateral profound sensorineural hearing loss (SNHL) with normal bone conduction thresholds in the better hearing ear. Must be trialled with a CROS heairng aid before referral
Please mark your referral as urgent when you email it to us.
Please phone us to make sure we've received your email.
Last updated: June 2022