ICD-10-CM M84: Disorder of continuity of bone

ICD-10-CM Diagnosis Code (2025)

Official Description for M84

Disorder of continuity of bone

Coding Notes & Guidelines for M84

Excludes1: Not Coded Here
  • pathological fracture NOS (M84.4.-)
  • pathological fracture due to osteoporosis (M80.-)
  • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
Excludes1: Not Coded Here
  • collapsed vertebra NEC (M48.5)
  • pathological fracture in neoplastic disease (M84.5-)
  • pathological fracture in osteoporosis (M80.-)
  • pathological fracture in other disease (M84.6-)
  • stress fracture (M84.3-)
  • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
Excludes1: Not Coded Here

pathological fracture in osteoporosis (M80.-)

Excludes2: Not Included Here

traumatic fracture of bone-see fracture, by site

Excludes2: Not Included Here
  • personal history of (healed) stress (fatigue) fracture (Z87.312)
  • stress fracture of vertebra (M48.4-)
Excludes2: Not Included Here

stress fracture of vertebra (M48.4-)

Excludes2: Not Included Here

personal history of (healed) pathological fracture (Z87.311)

Use Additional Code

external cause code(s) to identify the cause of the stress fracture

Inclusion Terms
  • Fatigue fracture
  • March fracture
  • Stress fracture NOS
  • Stress reaction
Inclusion Terms

Stress fracture, hip

Inclusion Terms
  • Chronic fracture
  • Pathological fracture NOS
Inclusion Terms

Pathological fracture in neoplastic disease, vertebrae

Code Also

underlying neoplasm

Code Also

underlying condition

7th Character Guidance

The appropriate 7th character is to be added to each code from subcategory M84.3:

7th Character Guidance

The appropriate 7th character is to be added to each code from subcategory M84.4:

7th Character Guidance

The appropriate 7th character is to be added to each code from subcategory M84.5:

7th Character Guidance

The appropriate 7th character is to be added to each code from subcategory M84.6:

7th Character Guidance

The appropriate 7th character is to be added to each code from M84.75:

Child Codes (More Specific Codes for M84):

M84.3 - Stress fracture M84.30 - Stress fracture, unspecified site M84.31 - Stress fracture, shoulder M84.311 - Stress fracture, right shoulder M84.312 - Stress fracture, left shoulder M84.319 - Stress fracture, unspecified shoulder M84.32 - Stress fracture, humerus M84.321 - Stress fracture, right humerus M84.322 - Stress fracture, left humerus M84.329 - Stress fracture, unspecified humerus M84.33 - Stress fracture, ulna and radius M84.331 - Stress fracture, right ulna M84.332 - Stress fracture, left ulna M84.333 - Stress fracture, right radius M84.334 - Stress fracture, left radius M84.339 - Stress fracture, unspecified ulna and radius M84.34 - Stress fracture, hand and fingers M84.341 - Stress fracture, right hand M84.342 - Stress fracture, left hand M84.343 - Stress fracture, unspecified hand M84.344 - Stress fracture, right finger(s) M84.345 - Stress fracture, left finger(s) M84.346 - Stress fracture, unspecified finger(s) M84.35 - Stress fracture, pelvis and femur M84.350 - Stress fracture, pelvis M84.351 - Stress fracture, right femur M84.352 - Stress fracture, left femur M84.353 - Stress fracture, unspecified femur M84.359 - Stress fracture, hip, unspecified M84.36 - Stress fracture, tibia and fibula M84.361 - Stress fracture, right tibia M84.362 - Stress fracture, left tibia M84.363 - Stress fracture, right fibula M84.364 - Stress fracture, left fibula M84.369 - Stress fracture, unspecified tibia and fibula M84.37 - Stress fracture, ankle, foot and toes 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) M84.38 - Stress fracture, other site M84.4 - Pathological fracture, not elsewhere classified M84.40 - Pathological fracture, unspecified site M84.41 - Pathological fracture, shoulder M84.411 - Pathological fracture, right shoulder M84.412 - Pathological fracture, left shoulder M84.419 - Pathological fracture, unspecified shoulder M84.42 - Pathological fracture, humerus M84.421 - Pathological fracture, right humerus M84.422 - Pathological fracture, left humerus M84.429 - Pathological fracture, unspecified humerus M84.43 - Pathological fracture, ulna and radius M84.431 - Pathological fracture, right ulna M84.432 - Pathological fracture, left ulna M84.433 - Pathological fracture, right radius M84.434 - Pathological fracture, left radius M84.439 - Pathological fracture, unspecified ulna and radius M84.44 - Pathological fracture, hand and fingers M84.441 - Pathological fracture, right hand M84.442 - Pathological fracture, left hand M84.443 - Pathological fracture, unspecified hand M84.444 - Pathological fracture, right finger(s) M84.445 - Pathological fracture, left finger(s) M84.446 - Pathological fracture, unspecified finger(s) M84.45 - Pathological fracture, femur and pelvis M84.451 - Pathological fracture, right femur M84.452 - Pathological fracture, left femur M84.453 - Pathological fracture, unspecified femur M84.454 - Pathological fracture, pelvis M84.459 - Pathological fracture, hip, unspecified M84.46 - Pathological fracture, tibia and fibula M84.461 - Pathological fracture, right tibia M84.462 - Pathological fracture, left tibia M84.463 - Pathological fracture, right fibula M84.464 - Pathological fracture, left fibula M84.469 - Pathological fracture, unspecified tibia and fibula M84.47 - Pathological fracture, ankle, foot and toes M84.471 - Pathological fracture, right ankle M84.472 - Pathological fracture, left ankle M84.473 - Pathological fracture, unspecified ankle M84.474 - Pathological fracture, right foot M84.475 - Pathological fracture, left foot M84.476 - Pathological fracture, unspecified foot M84.477 - Pathological fracture, right toe(s) M84.478 - Pathological fracture, left toe(s) M84.479 - Pathological fracture, unspecified toe(s) M84.48 - Pathological fracture, other site M84.5 - Pathological fracture in neoplastic disease M84.50 - Pathological fracture in neoplastic disease, unspecified site M84.51 - Pathological fracture in neoplastic disease, shoulder M84.511 - Pathological fracture in neoplastic disease, right shoulder M84.512 - Pathological fracture in neoplastic disease, left shoulder M84.519 - Pathological fracture in neoplastic disease, unspecified shoulder M84.52 - Pathological fracture in neoplastic disease, humerus M84.521 - Pathological fracture in neoplastic disease, right humerus M84.522 - Pathological fracture in neoplastic disease, left humerus M84.529 - Pathological fracture in neoplastic disease, unspecified humerus M84.53 - Pathological fracture in neoplastic disease, ulna and radius M84.531 - Pathological fracture in neoplastic disease, right ulna M84.532 - Pathological fracture in neoplastic disease, left ulna M84.533 - Pathological fracture in neoplastic disease, right radius M84.534 - Pathological fracture in neoplastic disease, left radius M84.539 - Pathological fracture in neoplastic disease, unspecified ulna and radius M84.54 - Pathological fracture in neoplastic disease, hand M84.541 - Pathological fracture in neoplastic disease, right hand M84.542 - Pathological fracture in neoplastic disease, left hand M84.549 - Pathological fracture in neoplastic disease, unspecified hand M84.55 - Pathological fracture in neoplastic disease, pelvis and femur M84.550 - Pathological fracture in neoplastic disease, pelvis M84.551 - Pathological fracture in neoplastic disease, right femur M84.552 - Pathological fracture in neoplastic disease, left femur M84.553 - Pathological fracture in neoplastic disease, unspecified femur M84.559 - Pathological fracture in neoplastic disease, hip, unspecified M84.56 - Pathological fracture in neoplastic disease, tibia and fibula M84.561 - Pathological fracture in neoplastic disease, right tibia M84.562 - Pathological fracture in neoplastic disease, left tibia M84.563 - Pathological fracture in neoplastic disease, right fibula M84.564 - Pathological fracture in neoplastic disease, left fibula M84.569 - Pathological fracture in neoplastic disease, unspecified tibia and fibula M84.57 - Pathological fracture in neoplastic disease, ankle and foot M84.571 - Pathological fracture in neoplastic disease, right ankle M84.572 - Pathological fracture in neoplastic disease, left ankle M84.573 - Pathological fracture in neoplastic disease, unspecified ankle M84.574 - Pathological fracture in neoplastic disease, right foot M84.575 - Pathological fracture in neoplastic disease, left foot M84.576 - Pathological fracture in neoplastic disease, unspecified foot M84.58 - Pathological fracture in neoplastic disease, other specified site M84.6 - Pathological fracture in other disease M84.60 - Pathological fracture in other disease, unspecified site M84.61 - Pathological fracture in other disease, shoulder M84.611 - Pathological fracture in other disease, right shoulder M84.612 - Pathological fracture in other disease, left shoulder M84.619 - Pathological fracture in other disease, unspecified shoulder M84.62 - Pathological fracture in other disease, humerus M84.621 - Pathological fracture in other disease, right humerus M84.622 - Pathological fracture in other disease, left humerus M84.629 - Pathological fracture in other disease, unspecified humerus M84.63 - Pathological fracture in other disease, ulna and radius M84.631 - Pathological fracture in other disease, right ulna M84.632 - Pathological fracture in other disease, left ulna M84.633 - Pathological fracture in other disease, right radius M84.634 - Pathological fracture in other disease, left radius M84.639 - Pathological fracture in other disease, unspecified ulna and radius M84.64 - Pathological fracture in other disease, hand M84.641 - Pathological fracture in other disease, right hand M84.642 - Pathological fracture in other disease, left hand M84.649 - Pathological fracture in other disease, unspecified hand M84.65 - Pathological fracture in other disease, pelvis and femur M84.650 - Pathological fracture in other disease, pelvis M84.651 - Pathological fracture in other disease, right femur M84.652 - Pathological fracture in other disease, left femur M84.653 - Pathological fracture in other disease, unspecified femur M84.659 - Pathological fracture in other disease, hip, unspecified M84.66 - Pathological fracture in other disease, tibia and fibula M84.661 - Pathological fracture in other disease, right tibia M84.662 - Pathological fracture in other disease, left tibia M84.663 - Pathological fracture in other disease, right fibula M84.664 - Pathological fracture in other disease, left fibula M84.669 - Pathological fracture in other disease, unspecified tibia and fibula M84.67 - Pathological fracture in other disease, ankle and foot M84.671 - Pathological fracture in other disease, right ankle M84.672 - Pathological fracture in other disease, left ankle M84.673 - Pathological fracture in other disease, unspecified ankle M84.674 - Pathological fracture in other disease, right foot M84.675 - Pathological fracture in other disease, left foot M84.676 - Pathological fracture in other disease, unspecified foot M84.68 - Pathological fracture in other disease, other site M84.7 - Nontraumatic fracture, not elsewhere classified M84.75 - Atypical femoral fracture M84.750 - Atypical femoral fracture, unspecified M84.751 - Incomplete atypical femoral fracture, right leg M84.752 - Incomplete atypical femoral fracture, left leg M84.753 - Incomplete atypical femoral fracture, unspecified leg M84.754 - Complete transverse atypical femoral fracture, right leg M84.755 - Complete transverse atypical femoral fracture, left leg M84.756 - Complete transverse atypical femoral fracture, unspecified leg M84.757 - Complete oblique atypical femoral fracture, right leg M84.758 - Complete oblique atypical femoral fracture, left leg M84.759 - Complete oblique atypical femoral fracture, unspecified leg M84.8 - Other disorders of continuity of bone M84.80 - Other disorders of continuity of bone, unspecified site M84.81 - Other disorders of continuity of bone, shoulder M84.811 - Other disorders of continuity of bone, right shoulder M84.812 - Other disorders of continuity of bone, left shoulder M84.819 - Other disorders of continuity of bone, unspecified shoulder M84.82 - Other disorders of continuity of bone, humerus M84.821 - Other disorders of continuity of bone, right humerus M84.822 - Other disorders of continuity of bone, left humerus M84.829 - Other disorders of continuity of bone, unspecified humerus M84.83 - Other disorders of continuity of bone, ulna and radius M84.831 - Other disorders of continuity of bone, right ulna M84.832 - Other disorders of continuity of bone, left ulna M84.833 - Other disorders of continuity of bone, right radius M84.834 - Other disorders of continuity of bone, left radius M84.839 - Other disorders of continuity of bone, unspecified ulna and radius M84.84 - Other disorders of continuity of bone, hand M84.841 - Other disorders of continuity of bone, right hand M84.842 - Other disorders of continuity of bone, left hand M84.849 - Other disorders of continuity of bone, unspecified hand M84.85 - Other disorders of continuity of bone, pelvic region and thigh M84.851 - Other disorders of continuity of bone, right pelvic region and thigh M84.852 - Other disorders of continuity of bone, left pelvic region and thigh M84.859 - Other disorders of continuity of bone, unspecified pelvic region and thigh M84.86 - Other disorders of continuity of bone, tibia and fibula M84.861 - Other disorders of continuity of bone, right tibia M84.862 - Other disorders of continuity of bone, left tibia M84.863 - Other disorders of continuity of bone, right fibula M84.864 - Other disorders of continuity of bone, left fibula M84.869 - Other disorders of continuity of bone, unspecified tibia and fibula M84.87 - Other disorders of continuity of bone, ankle and foot M84.871 - Other disorders of continuity of bone, right ankle and foot M84.872 - Other disorders of continuity of bone, left ankle and foot M84.879 - Other disorders of continuity of bone, unspecified ankle and foot M84.88 - Other disorders of continuity of bone, other site M84.9 - Disorder of continuity of bone, unspecified

About ICD-10-CM Code M84 (Disorder of continuity of bone)

ICD-10-CM code M84 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M84 became effective on October 1, 2024.

This page provides detailed information about M84 - Disorder of continuity of bone. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Disorder of continuity of bone.