M89.70 is the authoritative medical code for Major osseous defect, unspecified site. This classification is used in medical billing and clinical recording to specify the clinical criteria for major osseous defect, unspecified site (ICD-10-CM M89.70), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Major osseous defect, unspecified site is a billable ICD-10-CM diagnosis code M89.70. Excludes1 (not coded here): postprocedural osteopathies M96.-. Code first: underlying disease, if known, such as:; aseptic necrosis of bone M87.-; malignant neoplasm of bone C40.-; osteolysis M89.5-; osteomyelitis M86.-; osteonecrosis M87.-; osteoporosis (M80.-, M81.-); periprosthetic osteolysis T84.05-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M89.70 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- postprocedural osteopathies M96.-
Code First
Underlying conditions that must be sequenced before this code.
- underlying disease, if known, such as:
- aseptic necrosis of bone M87.-
- malignant neoplasm of bone C40.-
- osteolysis M89.5-
- osteomyelitis M86.-
- osteonecrosis M87.-
- osteoporosis (M80.-, M81.-)
- periprosthetic osteolysis T84.05-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M89.70?
Per Excludes1 instructions, M89.70 must not be reported with: postprocedural osteopathies (M96.-).
Does M89.70 need to be sequenced after another code?
Yes. Code first: underlying disease, if known, such as:; aseptic necrosis of bone (M87.-); malignant neoplasm of bone (C40.-); osteolysis (M89.5-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M89.70, with their registry titles.
- M89 — Other disorders of bone
- M89.0 — Algoneurodystrophy
- M89.00 — Algoneurodystrophy, unspecified site
- M89.01 — Algoneurodystrophy, shoulder
- M89.011 — Algoneurodystrophy, right shoulder
- M89.012 — Algoneurodystrophy, left shoulder
- M89.019 — Algoneurodystrophy, unspecified shoulder
- M89.02 — Algoneurodystrophy, upper arm
- M89.021 — Algoneurodystrophy, right upper arm
- M89.022 — Algoneurodystrophy, left upper arm
- M89.029 — Algoneurodystrophy, unspecified upper arm
- M89.03 — Algoneurodystrophy, forearm
- M89.031 — Algoneurodystrophy, right forearm
- M89.032 — Algoneurodystrophy, left forearm
- M89.039 — Algoneurodystrophy, unspecified forearm
- M89.04 — Algoneurodystrophy, hand
- M89.041 — Algoneurodystrophy, right hand
- M89.042 — Algoneurodystrophy, left hand
- M89.049 — Algoneurodystrophy, unspecified hand
- M89.05 — Algoneurodystrophy, thigh
- M89.051 — Algoneurodystrophy, right thigh
- M89.052 — Algoneurodystrophy, left thigh
- M89.059 — Algoneurodystrophy, unspecified thigh
- M89.06 — Algoneurodystrophy, lower leg
- M89.061 — Algoneurodystrophy, right lower leg
- M89.062 — Algoneurodystrophy, left lower leg
- M89.069 — Algoneurodystrophy, unspecified lower leg
- M89.07 — Algoneurodystrophy, ankle and foot
- M89.071 — Algoneurodystrophy, right ankle and foot
- M89.072 — Algoneurodystrophy, left ankle and foot
- M89.079 — Algoneurodystrophy, unspecified ankle and foot
- M89.08 — Algoneurodystrophy, other site
- M89.09 — Algoneurodystrophy, multiple sites
- M89.1 — Physeal arrest
- M89.12 — Physeal arrest, humerus
- M89.121 — Complete physeal arrest, right proximal humerus
- M89.122 — Complete physeal arrest, left proximal humerus
- M89.123 — Partial physeal arrest, right proximal humerus
- M89.124 — Partial physeal arrest, left proximal humerus
- M89.125 — Complete physeal arrest, right distal humerus
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Defect, defective, major osseous
- Defect, defective, osseous, major
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: