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S52.099

⚠ Non-billable (Header)

Other fracture of upper end of unspecified ulna

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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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.

S52.0
  • • fracture of elbow NOS (S42.40-)
  • • fractures of shaft of ulna (S52.2-)
S52
  • • fracture at wrist and hand level (S62.-)
  • • periprosthetic fracture around internal prosthetic elbow joint (M97.4)

Child Codes (16)

S52.099AOther fracture of upper end of unspecified ulna, initial encounter for closed fractureS52.099BOther fracture of upper end of unspecified ulna, initial encounter for open fracture type I or IIS52.099COther fracture of upper end of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIICS52.099DOther fracture of upper end of unspecified ulna, subsequent encounter for closed fracture with routine healingS52.099EOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type I or II with routine healingS52.099FOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS52.099GOther fracture of upper end of unspecified ulna, subsequent encounter for closed fracture with delayed healingS52.099HOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healingS52.099JOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS52.099KOther fracture of upper end of unspecified ulna, subsequent encounter for closed fracture with nonunionS52.099MOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type I or II with nonunionS52.099NOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS52.099POther fracture of upper end of unspecified ulna, subsequent encounter for closed fracture with malunionS52.099QOther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type I or II with malunionS52.099ROther fracture of upper end of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS52.099SOther fracture of upper end of unspecified ulna, sequela

Clinical Description

ICD-10-CM code S52.099 represents other fracture of upper end of unspecified ulna. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.

This is a 7-character code at the 6th level of specificity. There are 16 more specific child codes under S52.099. Coders should note that S52.099 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code S52.099?

ICD-10-CM code S52.099 is "Other fracture of upper end of unspecified ulna". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is S52.099 a billable ICD-10 code?

No, S52.099 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with S52.099?

S52.099 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can S52.099 be coded with other codes?

S52.099 has 4 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in S52.09

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

S52.091Other fracture of upper end of right ulnaS52.092Other fracture of upper end of left ulna

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Code Information

CodeS52.099
BillableNo — Header code
ParentS52.09
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes24 note(s)
Child codes16

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)