A56.02
✓ BillableChlamydial vulvovaginitis
Certain infectious and parasitic diseases (A00-B99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • neonatal chlamydial conjunctivitis (P39.1)
- • neonatal chlamydial pneumonia (P23.1)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • chlamydial lymphogranuloma (A55)
- • conditions classified to A74.-
Clinical Description
ICD-10-CM code A56.02 represents chlamydial vulvovaginitis. This code falls under the Certain infectious and parasitic diseases (A00-B99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that A56.02 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code A56.02?
ICD-10-CM code A56.02 is "Chlamydial vulvovaginitis". It belongs to the category: Certain infectious and parasitic diseases (A00-B99).
Is A56.02 a billable ICD-10 code?
Yes, A56.02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with A56.02?
A56.02 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can A56.02 be coded with other codes?
A56.02 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in A56.0
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add A56.02 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)