A36.85 ICD-10-CM Code: Diphtheritic cystitis
A36.85 is the billable ICD-10-CM code for “Diphtheritic cystitis” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
A36.85Diphtheritic cystitis
ICD-10-CM diagnosis code · United States clinical modification
Where A36.85 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Other bacterial diseases (A30-A49)
- 3
Category A36
Diphtheria
- 4
Subcategory A36.8
Other diphtheria
- 5
Code A36.85
Diphtheritic cystitis
Notes for this code
Inclusion terms
No inclusion terms are listed for A36.85.
Code first
No “code first” instruction is listed for A36.85.
Use additional code
No “use additional code” instruction is listed for A36.85.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A36.85.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A36.85.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code A36.85 mean?
A36.85 is the FY 2027 U.S. ICD-10-CM code for “Diphtheritic cystitis.”
Is A36.85 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, A36.85 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is A36.85 located in ICD-10-CM?
A36.85 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Other bacterial diseases (A30-A49) (A30–A49), under category A36, Diphtheria and subcategory A36.8, Other diphtheria.
What coding notes are listed for A36.85?
No inclusion terms are listed for A36.85 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.