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S42.016A

✓ Billable

Posterior displaced fracture of sternal end of unspecified clavicle, initial encounter for closed fracture

Injury, poisoning and certain other consequences of external causes (S00-T88)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

S42
  • • traumatic amputation of shoulder and upper arm (S48.-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

S42
  • • periprosthetic fracture around internal prosthetic shoulder joint (M97.3)

Clinical Description

ICD-10-CM code S42.016A represents posterior displaced fracture of sternal end of unspecified clavicle, initial encounter for closed fracture. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that S42.016A has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code S42.016A?

ICD-10-CM code S42.016A is "Posterior displaced fracture of sternal end of unspecified clavicle, initial encounter for closed fracture". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is S42.016A a billable ICD-10 code?

Yes, S42.016A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with S42.016A?

S42.016A has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can S42.016A be coded with other codes?

S42.016A has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in S42.016

Other codes in the same category that may be relevant for differential coding:

S42.016BPosterior displaced fracture of sternal end of unspecified clavicle, initial encounter for open fractureS42.016DPosterior displaced fracture of sternal end of unspecified clavicle, subsequent encounter for fracture with routine healingS42.016GPosterior displaced fracture of sternal end of unspecified clavicle, subsequent encounter for fracture with delayed healingS42.016KPosterior displaced fracture of sternal end of unspecified clavicle, subsequent encounter for fracture with nonunionS42.016PPosterior displaced fracture of sternal end of unspecified clavicle, subsequent encounter for fracture with malunionS42.016SPosterior displaced fracture of sternal end of unspecified clavicle, sequela

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Code Information

CodeS42.016A
BillableYes
ParentS42.016
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)