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A39.82

A39.82Meningococcal retrobulbar neuritis

Billable / specific codeICD-10-CM

A39.82 is a billable, specific ICD-10-CM code for meningococcal retrobulbar neuritis. It is valid for submission on a claim.

Risk adjustment

A39.82 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

A39.82 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
  • A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
  • A57123Billing and Coding: Nerve Conduction Studies and Electromyography

How A39.82 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A39.82.

  • Infection, infected, infectivemeningococcalretrobulbar neuritis
  • Neuritisretrobulbarmeningococcal
  • Neuritisretrobulbarinmeningococcal infection

Related codes at this level

Codes that share A39.8. If A39.82 is not quite right, the correct code is usually one of these.

Questions about A39.82

Is A39.82 a billable ICD-10-CM code?
Yes. A39.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A39.82 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.