ICD-10-CM | Chapter 6 Diseases of the Nervous System G00–G99 | Medical Coding |

The audio content is commercially licensed by Naturalsoft Ltd. 00:00 ICD-10-CM | Chapter 6 Diseases of the Nervous System G00–G99 | Medical Coding | 00:27 Section 1: Chapter Overview 🔹Inflammatory diseases like meningitis 🔹Degenerative diseases like Parkinson’s 🔹Seizure disorders 🔹Headaches and migraines 🔹Nerve root and plexus disorders 🔹Sleep disorders and movement disorders 01:10 Section 2: Key Code Categories 🔹 G00–G09: Inflammatory diseases of the central nervous system Includes bacterial meningitis (G00.9), viral encephalitis, and multiple causes Example: G00.9 – Bacterial meningitis, unspecified 🔹 G10–G14: Systemic atrophies primarily affecting the CNS Includes Huntington’s disease (G10) and post-polio syndrome (G14) 🔹 G20–G26: Extrapyramidal and movement disorders Parkinson’s disease (G20), essential tremor (G25.0), drug-induced movement disorders Example: G20 – Parkinson’s disease 🔹 G30–G32: Other degenerative diseases of the nervous system Alzheimer’s disease (G30), frontotemporal dementia (G31.0) 🔹 G35–G37: Demyelinating diseases of CNS G35 is used for Multiple Sclerosis Example: G35 – MS with or without exacerbations 🔹 G40–G47: Episodic and paroxysmal disorders Epilepsy and seizure types (G40), migraines (G43), cluster headaches (G44), sleep disorders (G47) 🔹 G50–G59: Nerve, nerve root and plexus disorders Includes trigeminal neuralgia (G50.0), sciatica (G57.00) Tip: These are often used with back pain and radiculopathy 🔹 G60–G65: Polyneuropathies and other peripheral nerve disorders Diabetic neuropathy, Guillain-Barré syndrome, and others 🔹 G70–G73: Diseases of myoneural junction and muscle Myasthenia gravis (G70.0), muscular dystrophy 🔹 G80–G83: Cerebral palsy and other paralytic syndromes Example: G80.0 – Spastic quadriplegic cerebral palsy 🔹 G89–G99: Other disorders of the nervous system Chronic pain syndrome (G89.4), autonomic dysfunctions, and intractable pain 03:50 Section 3: Coding Tips & Documentation Guidelines 1. Laterality matters: For conditions like sciatica or carpal tunnel, use codes that specify right, left, or bilateral when available. 2. Don’t forget the cause: If a nervous system disorder is secondary to another condition (like diabetic neuropathy), be sure to sequence correctly—the diabetes code comes first. 3. For epilepsy, always specify the type (generalized, focal), presence of status epilepticus, and whether it is intractable or not. 4. When coding chronic pain (G89.2) or central pain syndrome, use the most descriptive code possible, and check if a site-specific code is needed. 04:46 Section 4: Real-World Case Examples 🔸 Example 1: Patient with generalized epilepsy, intractable, with status epilepticus. ✅ Code: G40.311 🔸 Example 2: Patient with Alzheimer’s disease with behavioral disturbance. ✅ Code: G30.9 + F02.81 (linked dementia with behavior) 🔸 Example 3: A diabetic patient presents with peripheral neuropathy. ✅ Code: E11.42 (Type 2 DM with polyneuropathy) 🔸 Example 4: Right-sided sciatica with lumbar radiculopathy. ✅ Code: G57.01 – Sciatica, right side 🔸 Example 5: Patient with Parkinson’s disease on medication. ✅ Code: G20 05:48 Section 5: Commonly Used Codes 🔹 G40.909 – Epilepsy, unspecified, not intractable 🔹 G35 – Multiple sclerosis 🔹 G20 – Parkinson’s disease 🔹 G43.909 – Migraine, unspecified, not intractable 🔹 G57.00 – Sciatica, unspecified side 🔹 G89.4 – Chronic pain syndrome 🔹 G30.9 – Alzheimer’s disease, unspecified #ICD10CM #ICD10Chapter6 #NeurologyCoding #EpilepsyCoding #ParkinsonsDisease #MultipleSclerosis #ChronicPainCoding #MedicalCodingTutorial #RHITPrep #icd10cm2025 medical coding medical coding classes online medical coding and billing medical coding for beginners medical coding course medical coding interview questions for freshers medical coding course details medical coding in tamil medical coding jobs for freshers medical coding jobs medical coding malayalam medical coding in telugu medical coding work demo medical coding interview icd 10 cm coding for beginners icd 10 cm practice questions and answers icd 10 cm introduction icd 10 cm pregnancy guidelines icd 10 cm guidelines 2024 icd 10 cm 2025 updates icd 10 cm guidelines icd 10 cm guidelines 2025 icd 10 cm chapter specific guidelines icd 10 cm 2025 updates telugu icd 10 cm chapter 1 icd 10 cm code leading icd 10 cm conventions telugu icd 10 cm interview questions