Q73.8
Billable

Other reduction defects of unspecified limb(s)

Billable / Specific Code

What is Other reduction defects of unspecified limb(s)?

ICD-10-CM Q73.8 is the diagnosis code for Other reduction defects of unspecified limb(s). This code falls under the section "Congenital malformations and deformations of the musculoskeletal system" 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 Q73.8

✅ This Code Includes

  • Longitudinal reduction deformity of unspecified limb(s)
  • Ectromelia of limb NOS
  • Hemimelia of limb NOS
  • Reduction defect of limb NOS

ICD-10-CM Code Hierarchy

Understanding where Q73.8 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is Q73.8 a billable ICD-10-CM code?

Yes, Q73.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does Q73.8 mean?

Q73.8 is the ICD-10-CM diagnosis code for "Other reduction defects of unspecified limb(s)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of Q73.8?

The parent code of Q73.8 is Q73 ("Reduction defects of unspecified limb"). Q73.8 provides a more specific classification within this category.

What section is Q73.8 in?

Q73.8 is located in Section Q65-Q79 — "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 of the ICD-10-CM Tabular List.

When should I use Q73.8?

Use Q73.8 when the patients documented diagnosis matches "Other reduction defects of unspecified limb(s)" 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 reduction defects of unspecified limb(s)?

The ICD-10-CM code for Other reduction defects of unspecified limb(s) is Q73.8.

Can Q73.8 be used for primary diagnosis?

Yes, Q73.8 can be used as a primary diagnosis code since it is billable and specific.

What chapter is Q73.8 in?

Q73.8 is in Chapter 17 of the ICD-10-CM Tabular List.

Is Q73.8 valid for 2026?

Yes, Q73.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ73.1Phocomelia, unspecified limb(s)Next →Q74Other congenital malformations of limb(s)
Code Details
Q73.8
Other reduction defects of unspecified limb(s)
Billable / Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q65-Q79 — Congenital malformations and deformations of the musculoskeletal system
2026 ICD-10-CM