M00.059 Staphylococcal arthritis, unspecified hip

The ICD-10-CM code for Staphylococcal arthritis, unspecified hip is M00.059 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

13: Diseases of the musculoskeletal system and connective tissue (M00-M99)

Section

M00-M02: Infectious arthropathies (M00-M02)

Category M00

130 codes (97 billable)

FY2026 Status

Stable since FY2024

U.S. Hospital Utilization

M00.059 appeared in too few sampled U.S. inpatient stays in 2021 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 13 header

13. Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)

Osteoporosis without pathological fracture (M81)

Category M81, Osteoporosis without current pathological fracture, is for use for patients with osteoporosis who do not currently have a pathologic fracture due to the osteoporosis, even if they have had a fracture in the past. For patients with a history of osteoporosis fractures, status code Z87.310, Personal history of (healed) osteoporosis fracture, should follow the code from M81.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)