M87.336
Billable codeOther secondary osteonecrosis of unspecified ulna
The ICD-10 code for other secondary osteonecrosis of unspecified ulna is M87.336.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Laterality-specific codes exist for this condition — confirm the affected side is documented.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M87.331Other secondary osteonecrosis of right radius
- M87.332Other secondary osteonecrosis of left radius
- M87.333Other secondary osteonecrosis of unspecified radius
- M87.334Other secondary osteonecrosis of right ulna
- M87.335Other secondary osteonecrosis of left ulna
- M87.337Other secondary osteonecrosis of right carpus
- M87.338Other secondary osteonecrosis of left carpus
- M87.339Other secondary osteonecrosis of unspecified carpus
- M87.336Other secondary osteonecrosis of unspecified ulna
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 73349Approximate match
Associated MS-DRGs
M87.336 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.