Q84.6
Billable

Other congenital malformations of nails

Billable / Specific Code

What is Other congenital malformations of nails?

ICD-10-CM Q84.6 is the diagnosis code for Other congenital malformations of nails. This code falls under the section "Other congenital malformations" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). 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

Coding Guidelines for Q84.6

✅ This Code Includes

  • Congenital clubnail
  • Congenital koilonychia
  • Congenital malformation of nail NOS

ICD-10-CM Code Hierarchy

Understanding where Q84.6 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is Q84.6 a billable ICD-10-CM code?

Yes, Q84.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does Q84.6 mean?

Q84.6 is the ICD-10-CM diagnosis code for "Other congenital malformations of nails". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of Q84.6?

The parent code of Q84.6 is Q84 ("Other congenital malformations of integument"). Q84.6 provides a more specific classification within this category.

What section is Q84.6 in?

Q84.6 is located in Section Q80-Q89 — "Other congenital malformations" within Chapter 17 of the ICD-10-CM Tabular List.

When should I use Q84.6?

Use Q84.6 when the patients documented diagnosis matches "Other congenital malformations of nails" 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 congenital malformations of nails?

The ICD-10-CM code for Other congenital malformations of nails is Q84.6.

Can Q84.6 be used for primary diagnosis?

Yes, Q84.6 can be used as a primary diagnosis code since it is billable and specific.

What chapter is Q84.6 in?

Q84.6 is in Chapter 17 of the ICD-10-CM Tabular List.

Is Q84.6 valid for 2026?

Yes, Q84.6 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ84.5Enlarged and hypertrophic nailsNext →Q84.8Other specified congenital malformations of integument
Code Details
Q84.6
Other congenital malformations of nails
Billable / Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q80-Q89 — Other congenital malformations
2026 ICD-10-CM