ICD-10-CM 2027 diagnosis code

A68Relapsing fevers

Not billable — use a more specific code

A68 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About A68

A68 is the ICD-10-CM diagnosis code for relapsing fevers. It belongs to block A65-A69 (other spirochetal diseases) and chapter 1 (certain infectious and parasitic diseases). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: A68.0 (fever), A68.1 (fever) and A68.9 (unspecified).

The conditions in its Excludes2 note aren't part of A68, but may be coded alongside it if the patient has both: Lyme disease (A69.2-).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under A68

Coding notes

IncludesFurther defines the content of the category

recurrent fever

Excludes2Not included here — may be reported together if both conditions exist

Lyme disease (A69.2-)

Notes that apply from higher levels

Instructions written at a parent level also apply to A68.

Broader instructions also apply from A65-A69 Other spirochetal diseases and Chapter 1: Certain infectious and parasitic diseases.

Code history

2016
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2023
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2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about A68

Is A68 billable?: No. A68 is a header code. Report one of its more specific subcodes instead.