M84.371S – Stress fracture, right ankle, sequela
ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure
ICD-10-CM code
M84.371S
- Code
M84.371S(claims format:M84371S)- Description
- Stress fracture, right ankle, sequela
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M80-M85 Disorders of bone density and structure
- Parent codes
- M84 › M84.3 › M84.37 › M84.371
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter for fracture |
D | subsequent encounter for fracture with routine healing |
G | subsequent encounter for fracture with delayed healing |
K | subsequent encounter for fracture with nonunion |
P | subsequent encounter for fracture with malunion |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M84 – Disorder of continuity of bone
Excludes2 (not included here):
- traumatic fracture of bone-see fracture, by site
M84.3 – Stress fracture
Applicable to:
- Fatigue fracture
- March fracture
- Stress fracture NOS
- Stress reaction
Excludes1 (not coded here):
Excludes2 (not included here):
Use additional code:
- external cause code(s) to identify the cause of the stress fracture
7th character note:
- The appropriate 7th character is to be added to each code from subcategory M84.3:
Related codes in M84.371
- M84.371A – Stress fracture, right ankle, initial encounter for fractureBillable
- M84.371D – Stress fracture, right ankle, subsequent encounter for fracture with routine healingBillable
- M84.371G – Stress fracture, right ankle, subsequent encounter for fracture with delayed healingBillable
- M84.371K – Stress fracture, right ankle, subsequent encounter for fracture with nonunionBillable
- M84.371P – Stress fracture, right ankle, subsequent encounter for fracture with malunionBillable
Frequently asked questions
What is ICD-10 code M84.371S?
M84.371S is the ICD-10-CM code for stress fracture, right ankle, sequela, in the block M80-M85 (Disorders of bone density and structure).
Is M84.371S a billable code?
Yes. M84.371S is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M84.371S belong to?
It belongs to category M84 – Disorder of continuity of bone.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.