J86
Non-Billable

Pyothorax

Non-Billable / Non-Specific Code

What is Pyothorax?

ICD-10-CM J86 is the diagnosis code for Pyothorax. This code falls under the section "Suppurative and necrotic conditions of the lower respiratory tract" 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 J86

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as J86. They are mutually exclusive:

  • abscess of lung (J85.-)
  • pyothorax due to tuberculosis (A15.6)

ICD-10-CM Code Hierarchy

Understanding where J86 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 2 entries
J86.0Pyothorax with fistulaBillableJ86.9Pyothorax without fistulaBillable
Related Codes

Frequently Asked Questions

Is J86 a billable ICD-10-CM code?

No, J86 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does J86 mean?

J86 is the ICD-10-CM diagnosis code for "Pyothorax". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is J86 in?

J86 is located in Section J85-J86 — "Suppurative and necrotic conditions of the lower respiratory tract" within Chapter 10 of the ICD-10-CM Tabular List.

What are the sub-codes of J86?

J86 has 2 sub-code(s) that provide more specific detail: J86.0, J86.9.

When should I use J86?

Use J86 when the patients documented diagnosis matches "Pyothorax" 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 Pyothorax?

The ICD-10-CM code for Pyothorax is J86.

Can J86 be used for primary diagnosis?

No, J86 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is J86 in?

J86 is in Chapter 10 of the ICD-10-CM Tabular List.

What conditions are excluded from J86?

Type 1 Excludes for J86 include: abscess of lung (J85.-); pyothorax due to tuberculosis (A15.6).

Is J86 valid for 2026?

Yes, J86 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousJ85.3Abscess of mediastinumNext →J86.0Pyothorax with fistula
Code Details
J86
Pyothorax
Non-Billable / Non-Specific Code
10 — Diseases of the respiratory system (J00-J99)
J85-J86 — Suppurative and necrotic conditions of the lower respiratory tract
2026 ICD-10-CM