2026 ICD-10-CM Diagnosis Code A68Relapsing fevers

ICD-10-CM Codes›A00–B99›A65-A69›A68

ICD-10-CM A68
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A68 is a non-billable ICD-10-CM category code for relapsing fevers, so it cannot be submitted on claims. Use a more specific code from this category instead, such as A68.0, A68.1, and A68.9.

Code Identity

ICD-10-CM Code
A68
Billable Status
No — Non-Billable Category
Code Describes
Relapsing fevers
Chapter
A65-A69
Other spirochetal diseases

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA65-A69Other spirochetal diseases
CategoryA68Relapsing fevers
This CodeA68Relapsing fevers

Specific Coding for Relapsing feversOverview

Non-specific codes like A68 require more characters. Use one of these billable codes instead:

  • Use A68.0 for Louse-borne relapsing fever

  • Use A68.1 for Tick-borne relapsing fever

  • Use A68.9 for Relapsing fever, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • recurrent fever

Type 2 Excludes

Patient EducationClinical

Bacterial Infections

Bacteria are tiny organisms (living things) that have only one cell. Under a microscope, they look like balls, rods, or spirals. They can be found almost everywhere on Earth. There are lots of bacteria in and on your body. In fact, your body has about 10 times more bacteria cells than human cells.

The full article covers:

  • What are bacteria?
  • How do bacterial infections spread?
  • What are the treatments for bacterial infections?
  • Can bacterial infections be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A68Overview

Is A68 (Relapsing fevers) a billable code?

No. This is a category header that groups the codes for relapsing fevers, and headers cannot be submitted on claims. Claims for relapsing fevers need a more specific code from this category, such as A68.0, A68.1, and A68.9.