M84.4

Pathological fracture, not elsewhere classified

Requires 7th character

M84.4 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Chronic fracture
  • Pathological fracture NOS

Includes (from M84)

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • 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.-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • personal history of (healed) pathological fracture (Z87.311)
  • arthropathic psoriasis (L40.5-) (from M84)
  • certain conditions originating in the perinatal period (P04-P96) (from M84)
  • certain infectious and parasitic diseases (A00-B99) (from M84)
  • compartment syndrome (traumatic) (T79.A-) (from M84)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M84)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M84)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M84)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M84)
  • neoplasms (C00-D49) (from M84)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M84)
  • traumatic fracture of bone-see fracture, by site (from M84)

7th character

This code requires a 7th character. Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter for fracture
Dsubsequent encounter for fracture with routine healing
Gsubsequent encounter for fracture with delayed healing
Ksubsequent encounter for fracture with nonunion
Psubsequent encounter for fracture with malunion
Ssequela

Also known as

  • Chronic fracture
  • Pathological fracture NOS

Parent code

  • M84Disorder of continuity of boneHeader

More specific codes M84.4

  • M84.40Pathological fracture, unspecified siteNeeds 7th char
  • M84.41Pathological fracture, shoulderNeeds 7th char
  • M84.42Pathological fracture, humerusNeeds 7th char
  • M84.43Pathological fracture, ulna and radiusNeeds 7th char
  • M84.44Pathological fracture, hand and fingersNeeds 7th char
  • M84.45Pathological fracture, femur and pelvisNeeds 7th char
  • M84.46Pathological fracture, tibia and fibulaNeeds 7th char
  • M84.47Pathological fracture, ankle, foot and toesNeeds 7th char
  • M84.48Pathological fracture, other siteNeeds 7th char

Related codes

  • M84.3Stress fractureNeeds 7th char
  • M84.5Pathological fracture in neoplastic diseaseNeeds 7th char
  • M84.6Pathological fracture in other diseaseNeeds 7th char
  • M84.7Nontraumatic fracture, not elsewhere classifiedHeader
  • M84.8Other disorders of continuity of boneHeader
  • M84.9Disorder of continuity of bone, unspecifiedBillable

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