J16
Non-Billable

Pneumonia due to other infectious organisms, not elsewhere classified

Non-Billable / Non-Specific Code

What is Pneumonia due to other infectious organisms, not elsewhere classified?

ICD-10-CM J16 is the diagnosis code for Pneumonia due to other infectious organisms, not elsewhere classified. This code falls under the section "Influenza and pneumonia" within Chapter 10 — Diseases of the respiratory system (J00-J99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for J16

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as J16. They are mutually exclusive:

  • congenital pneumonia (P23.-)
  • ornithosis (A70)
  • pneumocystosis (B59)
  • pneumonia NOS (J18.9)

ICD-10-CM Code Hierarchy

Understanding where J16 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeJ16 — Pneumonia due to other infectious organisms, not elsewhere classified
Sub-Codes (2)
Sub-Codes 2 entries
J16.0Chlamydial pneumoniaBillableJ16.8Pneumonia due to other specified infectious organismsBillable
Related Codes

Frequently Asked Questions

Is J16 a billable ICD-10-CM code?

No, J16 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does J16 mean?

J16 is the ICD-10-CM diagnosis code for "Pneumonia due to other infectious organisms, not elsewhere classified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is J16 in?

J16 is located in Section J09-J18 — "Influenza and pneumonia" within Chapter 10 of the ICD-10-CM Tabular List.

What are the sub-codes of J16?

J16 has 2 sub-code(s) that provide more specific detail: J16.0, J16.8.

When should I use J16?

Use J16 when the patients documented diagnosis matches "Pneumonia due to other infectious organisms, not elsewhere classified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Pneumonia due to other infectious organisms, not elsewhere classified?

The ICD-10-CM code for Pneumonia due to other infectious organisms, not elsewhere classified is J16.

Can J16 be used for primary diagnosis?

No, J16 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is J16 in?

J16 is in Chapter 10 of the ICD-10-CM Tabular List.

What conditions are excluded from J16?

Type 1 Excludes for J16 include: congenital pneumonia (P23.-); ornithosis (A70); pneumocystosis (B59) and more.

Is J16 valid for 2026?

Yes, J16 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousJ15.9Unspecified bacterial pneumoniaNext →J16.0Chlamydial pneumonia
Code Details
J16
Pneumonia due to other infectious organisms, not elsewhere classified
Non-Billable / Non-Specific Code
10 — Diseases of the respiratory system (J00-J99)
J09-J18 — Influenza and pneumonia
2026 ICD-10-CM