B02.21
B02.21: Postherpetic geniculate ganglionitis
Billable / specific codeICD-10-CM
B02.21 is a billable, specific ICD-10-CM code for postherpetic geniculate ganglionitis. It is valid for submission on a claim.
Check B02.21 with the rest of the claim: free scrubberOther codes that can never be billed with B02.21
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
B02.21 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A56034Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy
- A56607Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
- A56612Billing and Coding: CT of the Head
Alphabetic index entries that lead here
- Ramsay-Hunt disease or syndrome
- Disease, diseased›Hunt's(herpetic geniculate ganglionitis) (neuralgia)
- Ganglionitis›gasserian(postherpetic) (postzoster)
- Ganglionitis›herpes zoster
- Ganglionitis›postherpetic geniculate
- Herpes, herpesvirus, herpetic›geniculate ganglionitis
- Hunt's›disease or syndrome(herpetic geniculate ganglionitis)
- Hunt's›neuralgia
- Neuralgia, neuralgic›Hunt's
- Syndrome›Hunt's(herpetic geniculate ganglionitis) (neuralgia)
- Ganglionitis›geniculate›postherpetic, postzoster
- Herpes, herpesvirus, herpetic›zoster›auricularis
Code history
Unchanged in every release from FY2024 to FY2027.