Complete ICD-10-CM coding and documentation guide for icd-10 coding for sphenopalatine ganglion block via transnasal approach includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Sphenopalatine Ganglion Block via Transnasal Approach
Use ICD-10 code G43.719 for chronic migraine without aura, intractable, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Unclassified drug
Use for billing the anesthetic agent, such as lidocaine.
The ICD-10 code for a sphenopalatine nerve block via transnasal approach is typically coded using 64999 for unlisted procedures, as it involves topical application rather than injection.
Document the device used, anesthetic type, and patient response. Include details like 'Tx360 device with 0.3 mL 2% lidocaine per nostril' for clarity.