S42.12
Non-Billable

Fracture of acromial process

Non-Billable / Non-Specific Code

What is Fracture of acromial process?

ICD-10-CM S42.12 is the diagnosis code for Fracture of acromial process. This code falls under the section "Injuries to the shoulder and upper arm" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). 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 S42.12

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 S42.12 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
S42.121Displaced fracture of acromial process, right shoulderBillableS42.122Displaced fracture of acromial process, left shoulderBillableS42.123Displaced fracture of acromial process, unspecified shoulderBillableS42.124Nondisplaced fracture of acromial process, right shoulderBillableS42.125Nondisplaced fracture of acromial process, left shoulderBillableS42.126Nondisplaced fracture of acromial process, unspecified shoulderBillable
Related Codes

Frequently Asked Questions

Is S42.12 a billable ICD-10-CM code?

No, S42.12 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S42.12 mean?

S42.12 is the ICD-10-CM diagnosis code for "Fracture of acromial process". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S42.12?

The parent code of S42.12 is S42.1 ("Fracture of scapula"). S42.12 provides a more specific classification within this category.

What section is S42.12 in?

S42.12 is located in Section S40-S49 — "Injuries to the shoulder and upper arm" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of S42.12?

S42.12 has 6 sub-code(s) that provide more specific detail: S42.121, S42.122, S42.123, S42.124, S42.125 and more.

When should I use S42.12?

Use S42.12 when the patients documented diagnosis matches "Fracture of acromial process" 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 Fracture of acromial process?

The ICD-10-CM code for Fracture of acromial process is S42.12.

Can S42.12 be used for primary diagnosis?

No, S42.12 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S42.12 in?

S42.12 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S42.12 valid for 2026?

Yes, S42.12 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS42.116Nondisplaced fracture of body of scapula, unspecified shoulderNext →S42.121Displaced fracture of acromial process, right shoulder
Code Details
S42.12
Fracture of acromial process
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
S40-S49 — Injuries to the shoulder and upper arm
2026 ICD-10-CM