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S52.236

⚠ Non-billable (Header)

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

Child Codes (16)

S52.236ANondisplaced oblique fracture of shaft of unspecified ulna, initial encounter for closed fractureS52.236BNondisplaced oblique fracture of shaft of unspecified ulna, initial encounter for open fracture type I or IIS52.236CNondisplaced oblique fracture of shaft of unspecified ulna, initial encounter for open fracture type IIIA, IIIB, or IIICS52.236DNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for closed fracture with routine healingS52.236ENondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with routine healingS52.236FNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingS52.236GNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for closed fracture with delayed healingS52.236HNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with delayed healingS52.236JNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingS52.236KNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for closed fracture with nonunionS52.236MNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with nonunionS52.236NNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionS52.236PNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for closed fracture with malunionS52.236QNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type I or II with malunionS52.236RNondisplaced oblique fracture of shaft of unspecified ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS52.236SNondisplaced oblique fracture of shaft of unspecified ulna, sequela

Clinical Description

ICD-10-CM code S52.236 represents nondisplaced oblique fracture of shaft 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 S52.236. Coders should note that S52.236 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code S52.236?

ICD-10-CM code S52.236 is "Nondisplaced oblique fracture of shaft of unspecified ulna". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).

Is S52.236 a billable ICD-10 code?

No, S52.236 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with S52.236?

S52.236 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can S52.236 be coded with other codes?

S52.236 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in S52.23

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

S52.231Displaced oblique fracture of shaft of right ulnaS52.232Displaced oblique fracture of shaft of left ulnaS52.233Displaced oblique fracture of shaft of unspecified ulnaS52.234Nondisplaced oblique fracture of shaft of right ulnaS52.235Nondisplaced oblique fracture of shaft of left ulna

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Code Information

CodeS52.236
BillableNo — Header code
ParentS52.23
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes11 rule(s)
Excludes22 note(s)
Child codes16

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)