A56.19 – Other chlamydial genitourinary infection

ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission

Billable code

ICD-10-CM code A56.19
Code
A56.19 (claims format: A5619)
Description
Other chlamydial genitourinary infection
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
1. Certain infectious and parasitic diseases (A00-B99)
Block
A50-A64 Infections with a predominantly sexual mode of transmission
Parent codes
A56 › A56.1

Notes for A56.19

Applicable to:
  • Chlamydial epididymitis
  • Chlamydial orchitis

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A56 – Other sexually transmitted chlamydial diseases

Includes:
  • sexually transmitted diseases due to Chlamydia
  • trachomatis
Excludes1 (not coded here):
  • neonatal chlamydial conjunctivitis (P39.1)
  • neonatal chlamydial pneumonia (P23.1)
Excludes2 (not included here):
  • chlamydial lymphogranuloma (A55)
  • conditions classified to A74.-

Block A50-A64

Excludes1 (not coded here):
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter's disease (M02.3-)
Excludes2 (not included here):
  • human immunodeficiency virus [HIV] disease (B20)

Index terms for A56.19

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A56.1

Frequently asked questions

What is ICD-10 code A56.19?

A56.19 is the ICD-10-CM code for other chlamydial genitourinary infection, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).

Is A56.19 a billable code?

Yes. A56.19 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A56.19 belong to?

It belongs to category A56 – Other sexually transmitted chlamydial diseases.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.