ICD-10-CM A27: Leptospirosis

ICD-10-CM Diagnosis Code (2025)

Official Description for A27

Leptospirosis

Coding Notes & Guidelines for A27

Inclusion Terms
  • Leptospiral or spirochetal jaundice (hemorrhagic)
  • Weil's disease

Child Codes (More Specific Codes for A27):

A27.0 - Leptospirosis icterohemorrhagica A27.8 - Other forms of leptospirosis A27.81 - Aseptic meningitis in leptospirosis A27.89 - Other forms of leptospirosis A27.9 - Leptospirosis, unspecified

About ICD-10-CM Code A27 (Leptospirosis)

ICD-10-CM code A27 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A27 became effective on October 1, 2024.

This page provides detailed information about A27 - Leptospirosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Leptospirosis.