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Chapter 8: Diseases of the Ear and Mastoid Process
A comprehensive guide to coding ear and mastoid conditions (H60-H95) with practical scenario examples
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Chapter Overview
Understanding Chapter 8 Code Structure
Code Range H60-H95
Chapter 8 covers all diseases and conditions affecting the external ear, middle ear, inner ear, and mastoid process. This includes infections, hearing loss, vertigo, and structural abnormalities.
The chapter is organized by anatomical location and condition type, making it essential to understand ear anatomy for accurate coding.
Key Coding Principles
  • Laterality is required for most codes
  • Specify acute vs chronic conditions
  • Document underlying causes when applicable
  • Use additional codes for associated symptoms
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External Ear
H60-H62: Diseases of External Ear
1
Otitis Externa (H60.-)
Scenario: A 35-year-old swimmer presents with severe right ear pain, itching, and discharge after swimming in a lake. Examination reveals redness and swelling of the ear canal.
Code: H60.331 - Swimmer's ear, right ear
2
Impacted Cerumen (H61.2-)
Scenario: A 68-year-old patient complains of decreased hearing in both ears. Otoscopic examination shows complete blockage of both ear canals with hardened earwax.
Code: H61.23 - Impacted cerumen, bilateral
3
Otitis Externa, Unspecified (H60.9-)
Scenario: A patient presents with left ear pain and drainage. The provider documents "otitis externa, left ear" without specifying the type.
Code: H60.92 - Unspecified otitis externa, left ear
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Middle Ear
H65-H75: Diseases of Middle Ear and Mastoid
Middle ear conditions are among the most common diagnoses in Chapter 8, particularly in pediatric populations. Accurate documentation of acute versus chronic conditions and laterality is essential for proper coding.
Acute Otitis Media
Scenario: A 4-year-old child presents with fever, right ear pain, and irritability for 2 days. Examination shows bulging, red tympanic membrane on the right.
Code: H66.001 - Acute suppurative otitis media without spontaneous rupture of ear drum, right ear
Chronic Otitis Media
Scenario: A 45-year-old with history of recurrent ear infections has persistent left ear drainage for 3 months. Exam shows perforation of tympanic membrane.
Code: H66.3X2 - Other chronic suppurative otitis media, left ear
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Otitis Media with Effusion: Special Coding Considerations
H65.0- Acute Serous Otitis Media
Scenario: A 6-year-old presents with ear fullness and decreased hearing in the right ear for 5 days following an upper respiratory infection. Examination reveals fluid behind an intact tympanic membrane without signs of infection.
Code: H65.01 - Acute serous otitis media, right ear
H65.2- Chronic Serous Otitis Media
Scenario: A child has had persistent fluid in both ears for 4 months despite multiple treatments. No signs of acute infection are present.
Code: H65.23 - Chronic serous otitis media, bilateral
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Inner Ear
H80-H83: Diseases of Inner Ear
Inner ear conditions affect hearing and balance. These codes require careful attention to the specific diagnosis and any associated symptoms or complications.
Meniere's Disease (H81.0-)
Scenario: A 52-year-old reports episodes of severe vertigo lasting several hours, accompanied by left ear fullness, tinnitus, and fluctuating hearing loss.
Code: H81.02 - Meniere's disease, left ear
Benign Paroxysmal Vertigo (H81.1-)
Scenario: A 60-year-old experiences brief episodes of spinning sensation when rolling over in bed or looking up, lasting less than one minute.
Code: H81.10 - Benign paroxysmal vertigo, unspecified ear
Vestibular Neuronitis (H81.2-)
Scenario: A patient develops sudden severe vertigo with nausea and vomiting, but no hearing loss. Symptoms persist for several days.
Code: H81.23 - Vestibular neuronitis, bilateral
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H90-H94: Hearing Loss and Other Ear Disorders
1
Conductive Hearing Loss (H90.0-H90.2)
Scenario: A 55-year-old with history of chronic ear infections has bilateral hearing loss. Audiometry shows air-bone gap indicating conductive loss.
Code: H90.0 - Conductive hearing loss, bilateral
2
Sensorineural Hearing Loss (H90.3-H90.5)
Scenario: An 75-year-old reports gradual hearing loss in both ears over several years. Testing confirms age-related sensorineural hearing loss.
Code: H90.3 - Sensorineural hearing loss, bilateral
3
Mixed Hearing Loss (H90.6-H90.8)
Scenario: A patient has both conductive and sensorineural components to hearing loss in the right ear following trauma and chronic infections.
Code: H90.71 - Mixed conductive and sensorineural hearing loss, unilateral, right ear
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Critical Guidelines
Essential Coding Guidelines for Chapter 8
Laterality Requirements
Most codes in Chapter 8 require specification of right ear, left ear, bilateral, or unspecified. Failure to document laterality results in using unspecified codes, which may affect reimbursement.
Example: H66.90 (unspecified otitis media, unspecified ear) vs H66.91 (right ear) vs H66.92 (left ear) vs H66.93 (bilateral)
Acute vs Chronic Distinction
Clearly document whether conditions are acute, subacute, or chronic. This distinction is crucial for proper code assignment and reflects different treatment approaches and prognoses.
Timeframes: Acute (less than 3 weeks), Subacute (3 weeks to 3 months), Chronic (more than 3 months)
Use of Additional Codes
When applicable, use additional codes to identify infectious agents, external causes, or associated conditions. This provides complete clinical picture and supports medical necessity.
Example: Code both H66.001 (acute suppurative otitis media) and B95.3 (Streptococcus pneumoniae as cause)
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Complex Scenario: Multiple Ear Conditions
Case Study: Comprehensive Ear Disease Management
A 58-year-old patient presents with multiple ear-related complaints requiring careful documentation and coding.
Clinical Presentation
The patient reports chronic right ear drainage for 6 months, bilateral tinnitus, and progressive hearing loss in both ears. Examination reveals:
  • Right ear: Perforation of tympanic membrane with purulent discharge
  • Left ear: Intact tympanic membrane, no acute findings
  • Audiometry: Bilateral sensorineural hearing loss
  • Continuous bilateral tinnitus reported
Correct Coding Sequence
  1. H66.3X1 - Other chronic suppurative otitis media, right ear (primary diagnosis)
  1. H90.3 - Sensorineural hearing loss, bilateral
  1. H93.13 - Tinnitus, bilateral
Coding Rationale: List the chronic infection first as it requires active treatment, followed by the hearing loss and tinnitus as additional diagnoses affecting patient care.
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Pediatric Focus
Common Pediatric Ear Conditions
Ear conditions are particularly prevalent in pediatric populations. Understanding age-specific presentations and coding requirements is essential for accurate documentation.
Recurrent Acute Otitis Media
Scenario: A 3-year-old has had 4 episodes of acute otitis media in the past 6 months, currently presenting with right ear pain and fever.
Code: H66.001 - Acute suppurative otitis media without spontaneous rupture, right ear
Note: Document the recurrent nature in clinical notes to support treatment decisions.
Eustachian Tube Dysfunction
Scenario: A 5-year-old complains of ear fullness and popping sounds bilaterally. Examination shows retracted tympanic membranes without fluid or infection.
Code: H69.03 - Patulous Eustachian tube, bilateral (if tube remains open) or H69.93 - Unspecified Eustachian tube disorder, bilateral
Foreign Body in Ear
Scenario: A 2-year-old is brought in after parents witnessed child placing a bead in left ear. Object is visible in ear canal.
Code: T16.2XXA - Foreign body in left ear, initial encounter
Note: This uses Chapter 19 (Injury codes), not Chapter 8.
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Common Coding Errors and How to Avoid Them
Missing Laterality
Error: Using unspecified ear codes when laterality is documented
Solution: Always review documentation for right, left, or bilateral specification
Incorrect Timing
Error: Coding chronic conditions as acute or vice versa
Solution: Verify duration and document timeframes clearly
Missing Related Codes
Error: Failing to code associated symptoms or complications
Solution: Review complete clinical picture and code all documented conditions
The chart above shows the most common coding errors in Chapter 8. Proper training and attention to documentation can significantly reduce these errors and improve coding accuracy.
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