A56.1
Non-billableChlamydial infection of pelviperitoneum and oth GU organs
Chlamydial infection of pelviperitoneum and other genitourinary organs
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- sexually transmitted diseases due to Chlamydia
- trachomatis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- carrier or suspected carrier of infectious disease (Z22.-)
- 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)
- human immunodeficiency virus [HIV] disease (B20)
- chlamydial lymphogranuloma (A55)
- conditions classified to A74.-
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code A56.1?
ICD-10-CM code A56.1 represents "Chlamydial infection of pelviperitoneum and other genitourinary organs". It is a non-billable header code — use a more specific child code for billing purposes.
Is A56.1 a billable code?
No, A56.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under A56.1.
What chapter is A56.1 in?
A56.1 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A56.1?
A56.1 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-); and 2 more.
What are the subcategories under A56.1?
A56.1 has 2 child codes, including: A56.11 (Chlamydial female pelvic inflammatory disease), A56.19 (Other chlamydial genitourinary infection).
Are additional codes required with A56.1?
Yes, when using A56.1 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A56.1?
A56.1 is linked to 1 UMLS Concept Unique Identifier: C0348905. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.