ICD-10-CM M90: Osteopathies in diseases classified elsewhere

ICD-10-CM Diagnosis Code (2025)

Official Description for M90

Osteopathies in diseases classified elsewhere

Coding Notes & Guidelines for M90

Excludes1: Not Coded Here
  • osteochondritis, osteomyelitis, and osteopathy (in):
  • cryptococcosis (B45.3)
  • diabetes mellitus (E08-E13 with .69-)
  • gonococcal (A54.43)
  • neurogenic syphilis (A52.11)
  • renal osteodystrophy (N25.0)
  • salmonellosis (A02.24)
  • secondary syphilis (A51.46)
  • syphilis (late) (A52.77)
Excludes1: Not Coded Here

osteitis deformans [Paget's disease of bone] (M88.-)

Code First
  • underlying disease, such as:
  • caisson disease (T70.3)
  • hemoglobinopathy (D50-D64)
Code First

the neoplasm (C40.-, C41.-)

Code First
  • underlying disease, such as:
  • rickets (E55.0)
  • vitamin-D-resistant rickets (E83.31)
Inclusion Terms

Osteitis deformans in malignant neoplasm of bone

Child Codes (More Specific Codes for M90):

M90.5 - Osteonecrosis in diseases classified elsewhere M90.50 - Osteonecrosis in diseases classified elsewhere, unspecified site M90.51 - Osteonecrosis in diseases classified elsewhere, shoulder M90.511 - Osteonecrosis in diseases classified elsewhere, right shoulder M90.512 - Osteonecrosis in diseases classified elsewhere, left shoulder M90.519 - Osteonecrosis in diseases classified elsewhere, unspecified shoulder M90.52 - Osteonecrosis in diseases classified elsewhere, upper arm M90.521 - Osteonecrosis in diseases classified elsewhere, right upper arm M90.522 - Osteonecrosis in diseases classified elsewhere, left upper arm M90.529 - Osteonecrosis in diseases classified elsewhere, unspecified upper arm M90.53 - Osteonecrosis in diseases classified elsewhere, forearm M90.531 - Osteonecrosis in diseases classified elsewhere, right forearm M90.532 - Osteonecrosis in diseases classified elsewhere, left forearm M90.539 - Osteonecrosis in diseases classified elsewhere, unspecified forearm M90.54 - Osteonecrosis in diseases classified elsewhere, hand M90.541 - Osteonecrosis in diseases classified elsewhere, right hand M90.542 - Osteonecrosis in diseases classified elsewhere, left hand M90.549 - Osteonecrosis in diseases classified elsewhere, unspecified hand M90.55 - Osteonecrosis in diseases classified elsewhere, thigh M90.551 - Osteonecrosis in diseases classified elsewhere, right thigh M90.552 - Osteonecrosis in diseases classified elsewhere, left thigh M90.559 - Osteonecrosis in diseases classified elsewhere, unspecified thigh M90.56 - Osteonecrosis in diseases classified elsewhere, lower leg M90.561 - Osteonecrosis in diseases classified elsewhere, right lower leg M90.562 - Osteonecrosis in diseases classified elsewhere, left lower leg M90.569 - Osteonecrosis in diseases classified elsewhere, unspecified lower leg M90.57 - Osteonecrosis in diseases classified elsewhere, ankle and foot M90.571 - Osteonecrosis in diseases classified elsewhere, right ankle and foot M90.572 - Osteonecrosis in diseases classified elsewhere, left ankle and foot M90.579 - Osteonecrosis in diseases classified elsewhere, unspecified ankle and foot M90.58 - Osteonecrosis in diseases classified elsewhere, other site M90.59 - Osteonecrosis in diseases classified elsewhere, multiple sites M90.6 - Osteitis deformans in neoplastic diseases M90.60 - Osteitis deformans in neoplastic diseases, unspecified site M90.61 - Osteitis deformans in neoplastic diseases, shoulder M90.611 - Osteitis deformans in neoplastic diseases, right shoulder M90.612 - Osteitis deformans in neoplastic diseases, left shoulder M90.619 - Osteitis deformans in neoplastic diseases, unspecified shoulder M90.62 - Osteitis deformans in neoplastic diseases, upper arm M90.621 - Osteitis deformans in neoplastic diseases, right upper arm M90.622 - Osteitis deformans in neoplastic diseases, left upper arm M90.629 - Osteitis deformans in neoplastic diseases, unspecified upper arm M90.63 - Osteitis deformans in neoplastic diseases, forearm M90.631 - Osteitis deformans in neoplastic diseases, right forearm M90.632 - Osteitis deformans in neoplastic diseases, left forearm M90.639 - Osteitis deformans in neoplastic diseases, unspecified forearm M90.64 - Osteitis deformans in neoplastic diseases, hand M90.641 - Osteitis deformans in neoplastic diseases, right hand M90.642 - Osteitis deformans in neoplastic diseases, left hand M90.649 - Osteitis deformans in neoplastic diseases, unspecified hand M90.65 - Osteitis deformans in neoplastic diseases, thigh M90.651 - Osteitis deformans in neoplastic diseases, right thigh M90.652 - Osteitis deformans in neoplastic diseases, left thigh M90.659 - Osteitis deformans in neoplastic diseases, unspecified thigh M90.66 - Osteitis deformans in neoplastic diseases, lower leg M90.661 - Osteitis deformans in neoplastic diseases, right lower leg M90.662 - Osteitis deformans in neoplastic diseases, left lower leg M90.669 - Osteitis deformans in neoplastic diseases, unspecified lower leg M90.67 - Osteitis deformans in neoplastic diseases, ankle and foot M90.671 - Osteitis deformans in neoplastic diseases, right ankle and foot M90.672 - Osteitis deformans in neoplastic diseases, left ankle and foot M90.679 - Osteitis deformans in neoplastic diseases, unspecified ankle and foot M90.68 - Osteitis deformans in neoplastic diseases, other site M90.69 - Osteitis deformans in neoplastic diseases, multiple sites M90.8 - Osteopathy in diseases classified elsewhere M90.80 - Osteopathy in diseases classified elsewhere, unspecified site M90.81 - Osteopathy in diseases classified elsewhere, shoulder M90.811 - Osteopathy in diseases classified elsewhere, right shoulder M90.812 - Osteopathy in diseases classified elsewhere, left shoulder M90.819 - Osteopathy in diseases classified elsewhere, unspecified shoulder M90.82 - Osteopathy in diseases classified elsewhere, upper arm M90.821 - Osteopathy in diseases classified elsewhere, right upper arm M90.822 - Osteopathy in diseases classified elsewhere, left upper arm M90.829 - Osteopathy in diseases classified elsewhere, unspecified upper arm M90.83 - Osteopathy in diseases classified elsewhere, forearm M90.831 - Osteopathy in diseases classified elsewhere, right forearm M90.832 - Osteopathy in diseases classified elsewhere, left forearm M90.839 - Osteopathy in diseases classified elsewhere, unspecified forearm M90.84 - Osteopathy in diseases classified elsewhere, hand M90.841 - Osteopathy in diseases classified elsewhere, right hand M90.842 - Osteopathy in diseases classified elsewhere, left hand M90.849 - Osteopathy in diseases classified elsewhere, unspecified hand M90.85 - Osteopathy in diseases classified elsewhere, thigh M90.851 - Osteopathy in diseases classified elsewhere, right thigh M90.852 - Osteopathy in diseases classified elsewhere, left thigh M90.859 - Osteopathy in diseases classified elsewhere, unspecified thigh M90.86 - Osteopathy in diseases classified elsewhere, lower leg M90.861 - Osteopathy in diseases classified elsewhere, right lower leg M90.862 - Osteopathy in diseases classified elsewhere, left lower leg M90.869 - Osteopathy in diseases classified elsewhere, unspecified lower leg M90.87 - Osteopathy in diseases classified elsewhere, ankle and foot M90.871 - Osteopathy in diseases classified elsewhere, right ankle and foot M90.872 - Osteopathy in diseases classified elsewhere, left ankle and foot M90.879 - Osteopathy in diseases classified elsewhere, unspecified ankle and foot M90.88 - Osteopathy in diseases classified elsewhere, other site M90.89 - Osteopathy in diseases classified elsewhere, multiple sites

About ICD-10-CM Code M90 (Osteopathies in diseases classified elsewhere)

ICD-10-CM code M90 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M90 became effective on October 1, 2024.

This page provides detailed information about M90 - Osteopathies in diseases classified elsewhere. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Osteopathies in diseases classified elsewhere.