Alphabetic Index FY2027

A36.8

Other diphtheria

FY2027Chapter 1: Certain infectious and parasitic diseases/A30–A49 Other bacterial diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

A36.8 is a non-billable ICD-10-CM code header for other diphtheria. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are A36.81 Diphtheritic cardiomyopathy, A36.82 Diphtheritic radiculomyelitis, A36.83 Diphtheritic polyneuritis, A36.84 Diphtheritic tubulo-interstitial nephropathy and 3 more. Its coding notes include a Use additional code instruction and 5 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • code to identify resistance to antimicrobial drugs (Z16.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (5 notes)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
  • diseases generally recognized as communicable or transmissible

More specific codes under A36.8 7