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S52.309C

✓ Billable

Unspecified fracture of shaft of unspecified radius, initial encounter for open fracture type IIIA, IIIB, or IIIC

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.

S52
  • • traumatic amputation of forearm (S58.-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

S52
  • • fracture at wrist and hand level (S62.-)
  • • periprosthetic fracture around internal prosthetic elbow joint (M97.4)

Clinical Description

ICD-10-CM code S52.309C represents unspecified fracture of shaft of unspecified radius, initial encounter for open fracture type iiia, iiib, or iiic. 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 S52.309C has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code S52.309C?

ICD-10-CM code S52.309C is "Unspecified fracture of shaft of unspecified radius, initial encounter for open fracture type IIIA, IIIB, or IIIC". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is S52.309C a billable ICD-10 code?

Yes, S52.309C is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with S52.309C?

S52.309C has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can S52.309C be coded with other codes?

S52.309C has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in S52.309

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

S52.309AUnspecified fracture of shaft of unspecified radius, initial encounter for closed fractureS52.309BUnspecified fracture of shaft of unspecified radius, initial encounter for open fracture type I or IIS52.309DUnspecified fracture of shaft of unspecified radius, subsequent encounter for closed fracture with routine healingS52.309EUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type I or II with routine healingS52.309FUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS52.309GUnspecified fracture of shaft of unspecified radius, subsequent encounter for closed fracture with delayed healingS52.309HUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type I or II with delayed healingS52.309JUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS52.309KUnspecified fracture of shaft of unspecified radius, subsequent encounter for closed fracture with nonunionS52.309MUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type I or II with nonunionS52.309NUnspecified fracture of shaft of unspecified radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS52.309PUnspecified fracture of shaft of unspecified radius, subsequent encounter for closed fracture with malunion

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Code Information

CodeS52.309C
BillableYes
ParentS52.309
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)