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M84.48XK vs Z87.311

M84.48XK (Pathological fracture, other site, subsequent encounter for fracture with nonunion) compared with Z87.311 (Personal history of (healed) other pathological fracture), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. M84.48XK carries an Excludes2 note covering Z87.311: “personal history of (healed) pathological fracture (Z87.311)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

M84.48XKPathological fracture, other site, subsequent encounter for fracture with nonunionZ87.311Personal history of (healed) other pathological fracture
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
DefinitionPathological fracture, other site, subsequent encounter for fracture with nonunion is a billable ICD-10-CM diagnosis code (M84.48K).Personal history of (healed) other pathological fracture is a billable ICD-10-CM diagnosis code (Z87.311).
7th characterThe appropriate 7th character is to be added to each code from subcategory M84.4:
Includes
Personal history of (healed) collapsed vertebra NOS
Code first
any follow-up examination after treatment (Z09)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources