N80.22
Non-Billable

Deep endometriosis of the fallopian tube

Non-Billable / Non-Specific Code

What is Deep endometriosis of the fallopian tube?

ICD-10-CM N80.22 is the diagnosis code for Deep endometriosis of the fallopian tube. This code falls under the section "Noninflammatory disorders of female genital tract" within Chapter 14 — Diseases of the genitourinary system (N00-N99). 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.

💡 Inclusions

Coding Guidelines for N80.22

✅ This Code Includes

  • Deep endometriosis involving muscular wall of fallopian tube

ICD-10-CM Code Hierarchy

Understanding where N80.22 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
N80.221Deep endometriosis of right fallopian tubeBillableN80.222Deep endometriosis of left fallopian tubeBillableN80.223Deep endometriosis of bilateral fallopian tubesBillableN80.229Deep endometriosis of unspecified fallopian tubeBillable
Related Codes

Frequently Asked Questions

Is N80.22 a billable ICD-10-CM code?

No, N80.22 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does N80.22 mean?

N80.22 is the ICD-10-CM diagnosis code for "Deep endometriosis of the fallopian tube". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of N80.22?

The parent code of N80.22 is N80.2 ("Endometriosis of fallopian tube"). N80.22 provides a more specific classification within this category.

What section is N80.22 in?

N80.22 is located in Section N80-N98 — "Noninflammatory disorders of female genital tract" within Chapter 14 of the ICD-10-CM Tabular List.

What are the sub-codes of N80.22?

N80.22 has 4 sub-code(s) that provide more specific detail: N80.221, N80.222, N80.223, N80.229.

When should I use N80.22?

Use N80.22 when the patients documented diagnosis matches "Deep endometriosis of the fallopian tube" 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 Deep endometriosis of the fallopian tube?

The ICD-10-CM code for Deep endometriosis of the fallopian tube is N80.22.

Can N80.22 be used for primary diagnosis?

No, N80.22 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is N80.22 in?

N80.22 is in Chapter 14 of the ICD-10-CM Tabular List.

Is N80.22 valid for 2026?

Yes, N80.22 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN80.219Superficial endometriosis of unspecified fallopian tubeNext →N80.221Deep endometriosis of right fallopian tube
Code Details
N80.22
Deep endometriosis of the fallopian tube
Non-Billable / Non-Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N80-N98 — Noninflammatory disorders of female genital tract
2026 ICD-10-CM