M87.18 — Osteonecrosis due to drugs, other site

Not billable

Is M87.18 billable?

No — M87.18 is a non-billable header code. M87.18 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath M87.18.

Billable codes under this header

M87.18 at a glance

Code	M87.18
Description	Osteonecrosis due to drugs, other site
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together — inherited from M86-M90

The conditions below can never be reported together with M87.18 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

postprocedural osteopathies (M96.-)

Excludes1 — never code together — inherited from M87

The conditions below can never be reported together with M87.18 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

juvenile osteonecrosis (M91-M92)
osteochondropathies (M90-M93)

Use additional code — inherited from M87

Report an additional code alongside M87.18 to fully describe the condition. M87.18 is sequenced first.

code to identify major osseous defect, if applicable (M89.7-)

Use additional code — inherited from M87.1

Report an additional code alongside M87.18 to fully describe the condition. M87.18 is sequenced first.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M87.18, but a patient may have both at the same time. When documentation supports it, M87.18 and the excluded code may both be reported.

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

What codes fall under M87.18? (2)

How long has M87.18 existed?

M87.18 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.