Ready to sharpen your expertise with a free medical coding quiz that zeroes in on nervous system, ear, eye and mastoid process coding? Whether you're an aspiring health coder, student, or seasoned professional, this ICD-10 nervous system coding quiz and eye and ear coding practice test will help you master key diagnostic codes, refine accuracy, and boost your confidence. Dive into real-world scenarios with our medical coding practice quiz to prepare for exams and on-the-job challenges. Test familiar conditions like neuropathies, otitis and glaucoma while tackling targeted mastoid process coding questions. For an extra challenge, review our nervous system terminology practice and explore our comprehensive eye and ear disorders quiz . Accept the challenge today and level up your coding skills!
Which ICD-10-CM code category is used for migraine without aura?
G43.0
G43.4
G43.3
G43.1
Migraine without aura is classified under ICD-10-CM code G43.0, which falls within Chapter 6 for diseases of the nervous system. This category specifically identifies migraine attacks without sensory disturbances preceding them. Accurate identification of aura presence is essential for correct coding. See details on ICD10Data.
Which ICD-10-CM chapter covers diseases of the eye and adnexa?
Chapter 6: G00-G99
Chapter 2: H00-H59
Chapter 11: K00-K95
Chapter 8: H60-H95
Diseases of the eye and adnexa are classified in Chapter 2 of ICD-10-CM, which spans codes H00-H59. This chapter includes a range of disorders affecting the eyeball and its associated structures. Proper chapter identification streamlines code selection and ensures accuracy. ICD10Data Eye Disorders.
What is the ICD-10-CM code range for disorders of the vestibular system?
H60-H75
H85-H88
H90-H95
H81-H82
Codes H81-H82 cover disorders of vestibular function, which include various forms of vertigo and labyrinthitis. Recognizing this block is important for coding inner ear balance disorders. Other code ranges address hearing loss and other ear conditions. ICD10Data Vestibular Codes.
Which code category is used for unspecified otitis media in ICD-10-CM?
H68.8
H66.9
H60.3
H65.4
Unspecified otitis media is classified under H66.9 in the ICD-10-CM, found in Chapter 2 for ear disorders. This code is used when the type or laterality of otitis media is not documented. Accurate coding requires reviewing documentation for specificity. ICD10Data Otitis Media.
What is the correct ICD-10-CM code for acute suppurative labyrinthitis?
H82.01
H83.02
H60.01
H83.01
Acute suppurative labyrinthitis is coded to H83.01, which is part of the vestibular system disorder category. This code specifies bacterial infection of the inner ear labyrinth. Documentation must specify 'acute' and 'suppurative' to apply this code. ICD10Data Labyrinthitis.
Which ICD-10-CM code describes chronic osteomyelitis of the mastoid process?
H72.1
M86.0
M86.18
M86.9
Chronic osteomyelitis of other specified sites, including the mastoid process, is coded to M86.18. This falls under the bone infection chapter and distinguishes chronic from acute. Documentation must clarify chronicity and site. ICD10Data Osteomyelitis.
What is the ICD-10-CM code for primary open-angle glaucoma, moderate stage?
H40.11X3
H40.8
H40.11X2
H40.221
Primary open-angle glaucoma in the moderate stage is coded H40.11X2 in ICD-10-CM. The seventh character '2' denotes moderate stage. Laterality and stage are required for specificity. ICD10Data Glaucoma.
Which ICD-10-CM code is appropriate for a transient ischemic attack without residual deficits?
G45.9
G46.3
G45.8
I63.9
Transient ischemic attack (TIA) without residual deficits is coded to G45.9 in ICD-10-CM. This code captures TIA events without lasting neurological effects. If there are residuals, different codes apply. ICD10Data Transient Ischemic Attack.
What is the ICD-10-CM code for bilateral papilledema?
H47.813
H54.0
H47.811
H47.812
Papilledema is coded under H47.81, with the fifth character indicating laterality. '2' specifies bilateral involvement, making H47.812 the correct code. Unilateral and unspecified have different fifth characters. ICD10Data Papilledema.
Which ICD-10-CM code describes benign paroxysmal vertigo?
H81.1
H81.3
H81.2
H80.1
Benign paroxysmal vertigo is specifically coded H81.1 in ICD-10-CM under vestibular disorders. Other H81 subcategories cover different vertigo types. Precise terminology is key to selecting the correct code. ICD10Data Vertigo.
What is the correct ICD-10-CM code for trigeminal neuralgia?
G50.1
G40.01
G50.0
G51.0
Trigeminal neuralgia is classified under G50.0 in ICD-10-CM. This code covers classic trigeminal neuralgia without mention of secondary causes. Other cranial nerve disorders have different G50 or G51 codes. ICD10Data Trigeminal Neuralgia.
Which ICD-10-CM code is used for a benign neoplasm of the acoustic nerve (vestibular schwannoma)?
C72.4
D43.1
C72.5
D33.3
Benign neoplasms of cranial and peripheral nerves, including vestibular schwannoma, are coded to D33.3 in ICD-10-CM. Malignant neoplasms have C codes, and unspecified neoplasms have other D codes. Accurate benign vs. malignant classification is critical. ICD10Data Acoustic Neuroma.
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AI Study Notes
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Study Outcomes
Apply ICD-10 Nervous System Coding Principles -
Practice accurate code selection for a range of nervous system disorders by engaging with targeted ICD-10 nervous system coding quiz scenarios.
Identify Eye and Ear Coding Challenges -
Recognize key distinctions in coding for eye, ear, and mastoid process conditions through focused eye and ear coding practice test questions.
Differentiate Mastoid Process Coding Requirements -
Understand when to assign specific mastoid process codes and follow sequencing rules to ensure compliance and precision in your medical coding practice quiz.
Analyze Complex Medical Coding Scenarios -
Break down real-world case studies to sharpen diagnostic reasoning and apply best practices from the medical coding quiz format.
Reinforce Medical Coding Accuracy -
Receive instant feedback on your answers to identify strengths, correct mistakes, and boost confidence before certification or on-the-job coding.
Cheat Sheet
Identify the Correct ICD-10-CM Chapter and Code Range -
Nervous system disorders reside in Chapter VI (G00 - G99) and eye/ear conditions in Chapter VII (H00 - H95), with mastoid process issues under H70 - H75. Always cross-check the ICD-10-CM tabular list on the CDC or WHO websites to honor inclusion/exclusion notes. For instance, G40 codes cover epilepsy and recurrent seizures, so reserve R56.9 only for unspecified single seizure events.
Leverage Anatomical Specificity and Laterality -
ICD-10-CM requires you to specify laterality using digits 1 (right), 2 (left), 3 (bilateral) or 9 (unspecified). A handy mnemonic is "R, L, B, U" = "Really Loud Bass Unleashes." For example, H25.12 denotes bilateral age-related cataract, while H65.02 captures chronic serous otitis media of the left ear.
Apply Seventh-Character Extensions for Injuries -
Traumatic nerve and head injury codes (S04 - S07) demand seventh characters like A (initial), D (subsequent) or S (sequela). For example, S04.02XA codes an initial encounter for optic chiasm injury - don't forget to add the placeholder "X" if your code has fewer than six characters before the seventh. Always consult the Official ICD-10-CM Guidelines for Injury and Poisoning to confirm correct extensions.
Differentiate Acute, Chronic, and Recurrent Conditions -
Many H70 - H75 mastoiditis and otitis codes distinguish acute (e.g., H70.23) from chronic (H70.93) forms. A quick way to remember is "A for acute, C for chronic, U for unspecified" - aligning with digits 1/2, 3, or 9. Precise descriptor selection boosts accuracy and avoids down-coding.
Use Signs & Symptoms Codes Appropriately -
If a definitive diagnosis is pending, assign symptom codes (Chapter XVIII, R00 - R99) but replace them once a specific H-code is confirmed. For example, code R42 for dizziness only until you confirm vestibular vertigo (H81.x). This approach follows the guideline "code first the underlying condition," ensuring your medical coding quiz practice reflects real-world best practices.
