A27.81Billable

Aseptic meningitis in leptospirosis

Chapter
1. Certain infectious and parasitic diseases
Category
A27
Effective date
October 1, 2026

Related codes in category A27

A27LeptospirosisA27.0Leptospirosis icterohemorrhagicaYesA27.8Other forms of leptospirosisA27.89Other forms of leptospirosisYesA27.9Leptospirosis, unspecifiedYes

Frequently asked questions

What is ICD-10 code A27.81?

A27.81 is an ICD-10-CM diagnosis code for Aseptic meningitis in leptospirosis.

Is A27.81 a billable code?

Yes. A27.81 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A27.81 in?

A27.81 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A27.81 become effective?

A27.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A27.81?

A27.81 belongs to category A27, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.