M84.37 Stress fracture, ankle, foot and toes

Non-billable header with 9 child codes.

Applies from M84 Disorder of continuity of bone

Excludes2 (not included here)

• traumatic fracture of bone-see fracture, by site

Applies from M84.3 Stress fracture

Applicable to

• Fatigue fracture
• March fracture
• Stress fracture NOS
• Stress reaction

Excludes1 (never code together)

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

Excludes2 (not included here)

• personal history of (healed) stress (fatigue) fracture (Z87.312)
• stress fracture of vertebra (M48.4-)

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:

7th character required

• 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

Codes under M84.37

• M84.371 Stress fracture, right ankle
• M84.372 Stress fracture, left ankle
• M84.373 Stress fracture, unspecified ankle
• M84.374 Stress fracture, right foot
• M84.375 Stress fracture, left foot
• M84.376 Stress fracture, unspecified foot
• M84.377 Stress fracture, right toe(s)
• M84.378 Stress fracture, left toe(s)
• M84.379 Stress fracture, unspecified toe(s)

Code annotations containing back-references to M84.37

Back-references to M84.3

• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("stress fracture (M84.3-)")

Diagnosis Index entries for M84.37

• Fracture, traumatic (abduction) (adduction) (separation) › stress › ankle
• Fracture, traumatic (abduction) (adduction) (separation) › stress › metatarsus
• Fracture, traumatic (abduction) (adduction) (separation) › stress › tarsus
• Fracture, traumatic (abduction) (adduction) (separation) › stress › toe

Nearby codes

• M84.369D Stress fracture, unspecified tibia and fibula, subsequent encounter for fracture with routine healing
• M84.369G Stress fracture, unspecified tibia and fibula, subsequent encounter for fracture with delayed healing
• M84.369K Stress fracture, unspecified tibia and fibula, subsequent encounter for fracture with nonunion
• M84.369P Stress fracture, unspecified tibia and fibula, subsequent encounter for fracture with malunion
• M84.369S Stress fracture, unspecified tibia and fibula, sequela
• M84.37 Stress fracture, ankle, foot and toes (this code)
• M84.371 Stress fracture, right ankle
• M84.371A Stress fracture, right ankle, initial encounter for fracture
• M84.371D Stress fracture, right ankle, subsequent encounter for fracture with routine healing
• M84.371G Stress fracture, right ankle, subsequent encounter for fracture with delayed healing
• M84.371K Stress fracture, right ankle, subsequent encounter for fracture with nonunion