ICD-10-CM FY2027 diagnosis code

J16.0: Chlamydial pneumonia

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

J16.0 is a billable ICD-10-CM diagnosis code for chlamydial pneumonia. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

Other codes in J16 Pneumonia due to other infectious organisms, not elsewhere classified

J16.0 questions

Is J16.0 a billable code?

Yes. J16.0 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does J16.0 mean?

J16.0 is the ICD-10-CM code for Chlamydial pneumonia. It is in chapter 10, Diseases of the respiratory system (J00-J99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.