MCMedicalCodingSoftware
M80.039K

M80.039K: Age-related osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with nonunion

Billable / specific codeICD-10-CMPOA exempt

M80.039K is a billable, specific ICD-10-CM code for age-related osteoporosis with current pathological fracture, unspecified forearm, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.

Check M80.039K with the rest of the claim: free scrubber

7th character "K": subsequent encounter for fracture with nonunion

The appropriate 7th character is to be added to each code from category M80:

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

Excludes1 inherited from the categories above M80.039K

A category’s note binds every code beneath it.

Written on M80: Osteoporosis with current pathological fracture

  • collapsed vertebra NOS (M48.5)
  • pathological fracture NOS (M84.4)
  • wedging of vertebra NOS (M48.5)

Excludes2 inherited from the categories above M80.039K

Not part of this code, but both may be coded when both are present.

Written on M80: Osteoporosis with current pathological fracture

  • personal history of (healed) osteoporosis fracture (Z87.310)

Other codes that can never be billed with M80.039K

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • E55Vitamin D deficiency
  • M43Other deforming dorsopathies
  • M48.4Fatigue fracture of vertebra
  • M48.5Collapsed vertebra, not elsewhere classified
  • M81Osteoporosis without current pathological fracture
  • M84.3Stress fracture
  • M84.4Pathological fracture, not elsewhere classified
  • M84.6Pathological fracture in other disease

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

M80.039K is named in 11 Medicare coverage policies: 4 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M80.039

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.