A36.8
Non-Billable

Other diphtheria

Non-Billable / Non-Specific Code

What is Other diphtheria?

ICD-10-CM A36.8 is the diagnosis code for Other diphtheria. This code falls under the section "Other bacterial diseases" within Chapter 1 — Certain infectious and parasitic diseases (A00-B99). 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.

Coding Guidelines for A36.8

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where A36.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
A36.81Diphtheritic cardiomyopathyBillableA36.82Diphtheritic radiculomyelitisBillableA36.83Diphtheritic polyneuritisBillableA36.84Diphtheritic tubulo-interstitial nephropathyBillableA36.85Diphtheritic cystitisBillableA36.86Diphtheritic conjunctivitisBillableA36.89Other diphtheritic complicationsBillable
Related Codes

Frequently Asked Questions

Is A36.8 a billable ICD-10-CM code?

No, A36.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does A36.8 mean?

A36.8 is the ICD-10-CM diagnosis code for "Other diphtheria". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of A36.8?

The parent code of A36.8 is A36 ("Diphtheria"). A36.8 provides a more specific classification within this category.

What section is A36.8 in?

A36.8 is located in Section A30-A49 — "Other bacterial diseases" within Chapter 1 of the ICD-10-CM Tabular List.

What are the sub-codes of A36.8?

A36.8 has 7 sub-code(s) that provide more specific detail: A36.81, A36.82, A36.83, A36.84, A36.85 and more.

When should I use A36.8?

Use A36.8 when the patients documented diagnosis matches "Other diphtheria" 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 Other diphtheria?

The ICD-10-CM code for Other diphtheria is A36.8.

Can A36.8 be used for primary diagnosis?

No, A36.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is A36.8 in?

A36.8 is in Chapter 1 of the ICD-10-CM Tabular List.

Is A36.8 valid for 2026?

Yes, A36.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousA36.3Cutaneous diphtheriaNext →A36.81Diphtheritic cardiomyopathy
Code Details
A36.8
Other diphtheria
Non-Billable / Non-Specific Code
1 — Certain infectious and parasitic diseases (A00-B99)
A30-A49 — Other bacterial diseases
2026 ICD-10-CM