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M84.342S

✓ Billable

Stress fracture, left hand, sequela

Diseases of the musculoskeletal system and connective tissue (M00-M99)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

M84.3
  • • pathological fracture NOS (M84.4.-)
  • • pathological fracture due to osteoporosis (M80.-)
  • • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

M84.3
  • • personal history of (healed) stress (fatigue) fracture (Z87.312)
  • • stress fracture of vertebra (M48.4-)
M84
  • • traumatic fracture of bone-see fracture, by site

📋 Code Instructions

inherited
M84.3
  • • external cause code(s) to identify the cause of the stress fracture

Clinical Description

ICD-10-CM code M84.342S represents stress fracture, left hand, sequela. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) 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 M84.342S has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code M84.342S?

ICD-10-CM code M84.342S is "Stress fracture, left hand, sequela". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).

Is M84.342S a billable ICD-10 code?

Yes, M84.342S is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with M84.342S?

M84.342S has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can M84.342S be coded with other codes?

M84.342S has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in M84.342

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

M84.342AStress fracture, left hand, initial encounter for fractureM84.342DStress fracture, left hand, subsequent encounter for fracture with routine healingM84.342GStress fracture, left hand, subsequent encounter for fracture with delayed healingM84.342KStress fracture, left hand, subsequent encounter for fracture with nonunionM84.342PStress fracture, left hand, subsequent encounter for fracture with malunion

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Code Information

CodeM84.342S
BillableYes
ParentM84.342
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes13 rule(s)
Excludes23 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)