M84.3
Non-billableStress fracture
Stress fracture
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Fatigue fracture
- March fracture
- Stress fracture NOS
- Stress reaction
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- traumatic fracture of bone-see fracture, by site
- •personal history of (healed) stress (fatigue) fractureZ87.312
- •stress fracture of vertebraM48.4
Use Additional Code
Additional codes that should follow this code
- external cause code(s) to identify the cause of the stress fracture
7th Character Definitions
- 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
Child Codes (9)
M84.30Stress fracture, unspecified site
M84.31Stress fracture, shoulder
M84.32Stress fracture, humerus
M84.33Stress fracture, ulna and radius
M84.34Stress fracture, hand and fingers
M84.35Stress fracture, pelvis and femur
M84.36Stress fracture, tibia and fibula
M84.37Stress fracture, ankle, foot and toes
M84.38Stress fracture, other site
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(28)
UMLS
- Capillary fractureC0016664
- Fatigue FractureC0016664
- Fatigue FracturesC0016664
- Fatigue fractureC0016664
- Fatigue fracturesC0016664
- Fracture, FatigueC0016664
- Fracture, MarchC0016664
- Fracture, StressC0016664
- Fractures, FatigueC0016664
- Fractures, MarchC0016664
- Fractures, StressC0016664
- March FractureC0016664
- March FracturesC0016664
- Stress FractureC0016664
- Stress FracturesC0016664
- Stress fractureC0016664
- Stress fracture (disorder)C0016664
- Stress fracture (morphologic abnormality)C0016664
- Stress fracture NOSC0016664
- Stress reactionC0016664
- fatigue fractureC0016664
- march fractureC0016664
- march fracturesC0016664
- stress fractureC0016664
- stress fracturesC0016664
- March fractureC5980148
- March fracture of metatarsal boneC5980148
- March fracture of metatarsal bone (disorder)C5980148
Frequently Asked Questions
What is the ICD-10 code for stress fracture?
The ICD-10-CM code for stress fracture is M84.3. The full clinical description is "Stress fracture". M84.3 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M84.3 mean?
ICD-10-CM code M84.3 represents “Stress fracture”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M84.3 a billable code?
No, M84.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under M84.3.
What chapter is M84.3 in?
M84.3 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M84.3?
M84.3 has Excludes1 notes indicating codes that cannot be used together with it, including: pathological fracture NOS (M84.4.-); pathological fracture due to osteoporosis (M80.-); traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-).
What are the subcategories under M84.3?
M84.3 has 9 child codes, including: M84.30 (Stress fracture, unspecified site), M84.31 (Stress fracture, shoulder), M84.32 (Stress fracture, humerus), M84.33 (Stress fracture, ulna and radius), and 5 more.
Are additional codes required with M84.3?
Yes, when using M84.3, also report: external cause code(s) to identify the cause of the stress fracture.
What are the UMLS CUIs for M84.3?
M84.3 is linked to 2 UMLS Concept Unique Identifiers: C0016664, C5980148. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M84.3 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like stress fracture affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M84.3?
M84.3 maps to the ICD-11 code: FB80.A (Stress fracture, not elsewhere classified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.