M84.321P

Stress fracture, right humerus, subsequent encounter for fracture with malunion

Billable / specific

M84.321P is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

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

Not coded here — never report together with this code.

pathological fracture NOS (M84.4.-) (from M84.3)
pathological fracture due to osteoporosis (M80.-) (from M84.3)
traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-) (from M84.3)

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

personal history of (healed) stress (fatigue) fracture (Z87.312) (from M84.3)
stress fracture of vertebra (M48.4-) (from M84.3)
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)

Add a code to identify the following, if applicable.

external cause code(s) to identify the cause of the stress fracture (from M84.3)

The 7th character values that apply to this code (defined at M84.3). Use the placeholder "X" for missing positions.

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

M84.321AStress fracture, right humerus, initial encounter for fractureBillable
M84.321DStress fracture, right humerus, subsequent encounter for fracture with routine healingBillable
M84.321GStress fracture, right humerus, subsequent encounter for fracture with delayed healingBillable
M84.321KStress fracture, right humerus, subsequent encounter for fracture with nonunionBillable
M84.321SStress fracture, right humerus, sequelaBillable