H90 Conductive and sensorineural hearing loss

Name of the Condition

• Conductive and Sensorineural Hearing Loss (ICD-10 Code: H90)

Summary

Conductive and sensorineural hearing loss refers to a combination of hearing impairment caused by issues in both the outer/middle ear (conductive) and inner ear or auditory nerve (sensorineural). This dual-type hearing loss may result from multiple underlying conditions affecting different parts of the auditory system, leading to varying degrees of sound transmission and perception deficits.

Causes

Conductive and sensorineural hearing loss can arise from a combination of factors affecting both the outer/middle ear and inner ear structures. Conductive components may stem from ear canal blockages, middle ear infections, or ossicle abnormalities, while sensorineural elements often involve inner ear damage, auditory nerve disorders, or age-related degeneration. Mixed etiologies may include chronic otitis media, otosclerosis, noise exposure, or systemic conditions affecting both ear regions.

Risk Factors

• Recurrent ear infections or chronic otitis media.
• Prolonged exposure to loud noises.
• Age-related hearing changes (presbycusis).
• Genetic predispositions to hearing loss.
• Use of ototoxic medications.
• History of head trauma or ear surgery.
• Systemic diseases affecting auditory structures.

Symptoms

• Difficulty hearing soft sounds or speech clarity issues.
• Muffled or distorted auditory perception.
• Tinnitus (ringing or buzzing in the ears).
• Sensation of ear fullness or pressure.
• Variable hearing loss patterns depending on affected ear regions.

Diagnosis

Diagnosis requires comprehensive evaluation including physical examination by an ENT specialist, audiometric testing to assess both conductive and sensorineural components, and potentially imaging studies (e.g., MRI or CT scans) to identify structural abnormalities. Additional tests may include tympanometry, acoustic reflex measurements, and otoacoustic emissions to differentiate between outer/middle ear and inner ear involvement.

Treatment Options

Treatment depends on the specific components and underlying causes. Conductive issues may be addressed with medications, surgical interventions, or hearing aids, while sensorineural elements often require hearing aids, cochlear implants, or assistive devices. Management may involve a combination of medical, surgical, and rehabilitative approaches tailored to the individual's hearing profile.

Prognosis and Follow-Up

Prognosis varies based on the underlying causes and severity of both conductive and sensorineural components. Regular follow-up with an audiologist and ENT specialist is essential to monitor hearing changes, adjust interventions, and address any progressive loss. Early intervention generally improves outcomes, particularly for treatable conductive components.

Complications

Potential complications include permanent hearing impairment, communication difficulties, social isolation, increased risk of falls due to balance issues, and psychological effects such as depression or anxiety related to hearing loss. Untreated sensorineural components may progress, while conductive issues may lead to chronic ear problems if not addressed.

Lifestyle & Prevention

• Protect ears from excessive noise exposure using hearing protection.
• Maintain good ear hygiene while avoiding aggressive cleaning.
• Manage underlying conditions like allergies or infections promptly.
• Consider regular hearing screenings, especially with risk factors.
• Use appropriate amplification devices as recommended by healthcare providers.

When to Seek Professional Help

Seek medical evaluation if experiencing sudden hearing changes, persistent ear pain, ringing in the ears, difficulty understanding speech, or balance problems. Prompt assessment is particularly important for sudden hearing loss, which may require immediate intervention to preserve auditory function.

Tips for Medical Coders

When coding H90 for conductive and sensorineural hearing loss, ensure documentation specifies the combined nature of the condition and any identified underlying causes. Note whether the hearing loss is bilateral or unilateral, as this may impact code assignment. Include details about diagnostic testing results and treatment approaches to support medical necessity. Verify that the code appropriately reflects the mixed etiology and any associated symptoms or complications documented in the patient record.