All ICD10 Codes

A56.1

Non-Billable
ChapterA00–B99
Ranksubcategory
Official Description

Chlamydial infection of pelviperitoneum and other genitourinary organs

Use a more specific code (2 billable)
A56.11Chlamydial female pelvic inflammatory diseaseA56.19Other chlamydial genitourinary infection
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).
General instructions are available for the parent sections:
View CH1 NotesView A50-A64 NotesView A56 Notes

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
A50-A64Infections with a predominantly sexual mode of transmission (A50-A64)
A56Other sexually transmitted chlamydial diseases
A56.1Chlamydial infection of pelviperitoneum and other genitourinary organsNot billable
A56.11Chlamydial female pelvic inflammatory diseaseBillable
A56.19Other chlamydial genitourinary infectionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A56.1:

categoryA56
Other sexually transmitted chlamydial diseases
View context instructions
blockA50-A64
Infections with a predominantly sexual mode of transmission (A50-A64)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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