N64.82
Billable

Hypoplasia of breast

Billable / Specific Code

What is Hypoplasia of breast?

ICD-10-CM N64.82 is the diagnosis code for Hypoplasia of breast. This code falls under the section "Disorders of breast" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for N64.82

✅ This Code Includes

  • Micromastia

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as N64.82. They are mutually exclusive:

  • congenital absence of breast (Q83.0)
  • hypoplasia of native breast in relation to reconstructed breast (N65.1)

ICD-10-CM Code Hierarchy

Understanding where N64.82 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is N64.82 a billable ICD-10-CM code?

Yes, N64.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does N64.82 mean?

N64.82 is the ICD-10-CM diagnosis code for "Hypoplasia of breast". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of N64.82?

The parent code of N64.82 is N64.8 ("Other specified disorders of breast"). N64.82 provides a more specific classification within this category.

What section is N64.82 in?

N64.82 is located in Section N60-N65 — "Disorders of breast" within Chapter 14 of the ICD-10-CM Tabular List.

When should I use N64.82?

Use N64.82 when the patients documented diagnosis matches "Hypoplasia of breast" 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 Hypoplasia of breast?

The ICD-10-CM code for Hypoplasia of breast is N64.82.

Can N64.82 be used for primary diagnosis?

Yes, N64.82 can be used as a primary diagnosis code since it is billable and specific.

What chapter is N64.82 in?

N64.82 is in Chapter 14 of the ICD-10-CM Tabular List.

What conditions are excluded from N64.82?

Type 1 Excludes for N64.82 include: congenital absence of breast (Q83.0); hypoplasia of native breast in relation to reconstructed breast (N65.1).

Is N64.82 valid for 2026?

Yes, N64.82 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN64.81Ptosis of breastNext →N64.89Other specified disorders of breast
Code Details
N64.82
Hypoplasia of breast
Billable / Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N60-N65 — Disorders of breast
2026 ICD-10-CM