M84.33
⚠ Non-billable (Header)Stress fracture, ulna and radius
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • pathological fracture NOS (M84.4.-)
- • pathological fracture due to osteoporosis (M80.-)
- • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
⚠️ Excludes2
inheritedRules inherited from parent codes.
📋 Code Instructions
inherited- • external cause code(s) to identify the cause of the stress fracture
Child Codes (5)
Clinical Description
ICD-10-CM code M84.33 represents stress fracture, ulna and radius. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) 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 6-character code at the 5th level of specificity. There are 5 more specific child codes under M84.33. Coders should note that M84.33 has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code M84.33?
ICD-10-CM code M84.33 is "Stress fracture, ulna and radius". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M84.33 a billable ICD-10 code?
No, M84.33 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with M84.33?
M84.33 has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can M84.33 be coded with other codes?
M84.33 has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in M84.3
Other codes in the same category that may be relevant for differential coding:
🧪 Validate Combinations
Add M84.33 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)