ICD-10 Codes I10–I1A: Hypertensive Diseases – Complete Coding & Billing Guide
The ICD-10-CM code range I10–I1A, titled Hypertensive Diseases, is one of the most frequently coded — and most frequently audited — diagnostic categories in all of medical billing. Despite the apparent simplicity of I10 (the workhorse code for essential hypertension), the full I10–I1A family contains critical distinctions that determine whether a claim is paid, questioned, […]
ICD-10 Code H81.1: Benign Paroxysmal Vertigo – Complete Coding & Billing Guide
What Does ICD-10 Code H81.1 Mean? ICD-10-CM code H81.1 designates benign paroxysmal vertigo (BPV) — a vestibular disorder characterized by brief, intense episodes of spinning sensation triggered by specific changes in head position. It falls under the broader category H81, Disorders of Vestibular Function, within the Diseases of the Ear and Mastoid Process chapter (H60–H95). […]
ICD-10 Code H61.22: Impacted Cerumen, Left Ear – Complete Coding & Billing Guide
ICD-10 code H61.22 designates a diagnosis of impacted cerumen, left ear — a condition in which earwax has accumulated to a degree that it cannot clear through normal physiological mechanisms and is producing symptoms or obstructing clinical examination of the left ear canal. This is a billable, laterality-specific code valid for all HIPAA-covered transactions from […]
ICD-10 Code G80.0: Spastic Quadriplegic Cerebral Palsy – Complete Coding & Billing Guide
What Does ICD-10 Code G80.0 Mean? ICD-10-CM code G80.0 designates a diagnosis of spastic quadriplegic cerebral palsy — a nonprogressive neurological disorder originating from brain damage sustained during the prenatal, perinatal, or early postnatal period, resulting in increased muscle tone (spasticity) that affects all four limbs and, typically, the trunk. It is the most severe […]
ICD-10 Code G62.89: Other Specified Polyneuropathies – Complete Coding & Billing Guide
What Does ICD-10 Code G62.89 Mean? ICD-10 code G62.89 (Other Specified Polyneuropathies) is a billable, valid diagnosis code used to report polyneuropathies — conditions involving damage or dysfunction across multiple peripheral nerves — when the clinical presentation is documented with specificity but does not map to any other more precisely defined subcategory within the G62 […]
ICD-10 Code G50.1: Atypical Facial Pain – Complete Coding & Billing Guide
What Does ICD-10 Code G50.1 Mean? ICD-10 code G50.1 designates a diagnosis of atypical facial pain — a chronic or persistent facial pain syndrome that does not conform to the classic distribution or characteristics of trigeminal neuralgia or other well-defined craniofacial pain disorders. G50.1 is a billable, specific ICD-10-CM code valid for reimbursement purposes, with […]
ICD-10 Code G40.911: Epilepsy, Unspecified, Intractable, with Status Epilepticus – Complete Coding & Billing Guide
What Does ICD-10 Code G40.911 Mean? ICD-10-CM code G40.911 describes epilepsy, unspecified, intractable, with status epilepticus — a billable, valid diagnosis code for FY 2026 (October 1, 2025 through September 30, 2026). It belongs to the G40 category (Epilepsy and recurrent seizures) within Chapter 6 of ICD-10-CM (Diseases of the Nervous System). Breaking down the […]
ICD-10 Code G40.109: Focal Symptomatic Epilepsy with Simple Partial Seizures – Complete Coding & Billing Guide
What Does ICD-10 Code G40.109 Mean? ICD-10 code G40.109 describes localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, confirmed as not intractable and occurring without status epilepticus. It is a fully billable diagnosis code valid for fiscal year 2026 (October 1, 2025 through September 30, 2026) under ICD-10-CM Official Coding Guidelines […]
ICD-10 Code G30: Alzheimer’s Disease – Complete Coding & Billing Guide
ICD-10 code G30 is the category-level code for Alzheimer’s disease, covering both senile (late-onset) and presenile (early-onset) forms of this progressive neurodegenerative disorder. G30 is not used alone — it functions as an etiology code and must always be paired with a secondary F02 manifestation code to capture the associated dementia. Correct application of G30 […]
ICD-10 Code F60.0: Paranoid Personality Disorder – Complete Coding & Billing Guide
ICD-10-CM code F60.0 designates paranoid personality disorder (PPD), a Cluster A personality disorder characterized by a pervasive, enduring pattern of distrust and suspiciousness toward others whose motives are interpreted as malevolent — absent psychosis or a diagnosable thought disorder. The code is billable, valid for HIPAA-covered transactions from October 1, 2025 through September 30, 2026, […]