ICD-10 code W55.42XS: Struck by pig, sequela
ICD-10 code W55.42XS: definition and billable status ICD-10 Code W55.42XS, “Struck by pig, sequela,” is a billable ICD-10-CM code used to document the external cause of a late-effect injury that resulted from contact with a pig. Without the 7th character “S,” the parent code W55.42 cannot be submitted on a claim. Most denials on this […]
ICD-10 code Z90.3: Acquired absence of stomach [part of]
ICD-10 code Z90.3 reports acquired absence of stomach [part of], the status code used after a total or partial gastrectomy. Coders apply it whenever a patient’s surgical history is clinically relevant to the current visit, such as a follow-up appointment, a nutrition consult, or management of a complication like dumping syndrome. It functions as a […]
ICD-10 Code M17.0: Bilateral primary osteoarthritis of knee
ICD-10 Code M17.0 is the billable diagnosis code for bilateral primary osteoarthritis of the knee. It covers degenerative “wear-and-tear” osteoarthritis (OA) in both knees, with no traumatic or secondary cause. Because one code covers both joints, most M17.0 billing mistakes come from splitting bilateral disease across the two unilateral knee codes, or missing the primary-versus-post-traumatic […]
ICD-10 code V96.11XS: Hang-glider crash injuring occupant
ICD-10 code V96.11XS is a billable ICD-10-CM diagnosis code for a hang-glider crash injuring the occupant, sequela. It’s an external cause code, reported at encounters where a patient is treated for a residual condition that developed after the original crash injury had already healed. The code sits within Chapter 20 (External Causes of Morbidity) and […]
ICD-10 Code M18.9: Osteoarthritis of first CMC joint, unspecified
M18.9 is the billable FY2026 ICD-10 code for unspecified first CMC osteoarthritis, with laterality rules, M18 subcodes and CPT pairings.
ICD-10 code V77.1XXD: Passenger bus injury
ICD-10 code V77.1XXD: definition and clinical description Claims for follow-up visits after bus accident injuries get denied more often than coders expect. The 7th character is usually the problem. ICD-10 Code V77.1XXD covers the subsequent encounter phase for a passenger on a bus injured in a collision with a fixed or stationary object in a […]
ICD-10 M17.4: Other bilateral secondary knee osteoarthritis
ICD-10 code M17.4 is the billable diagnosis code for other bilateral secondary osteoarthritis of knee: osteoarthritis in both knees driven by an identifiable secondary condition rather than ordinary age-related wear. It is one code within the M17 family that covers bilateral osteoarthritis of the knees, and it is also one of the most under-coded. Clinicians […]
ICD-10 code S90.812D: Left foot abrasion coding guide
ICD-10 code S90.812D captures a left foot abrasion at the subsequent encounter stage, the point where a patient returns for wound checks, dressing changes, or monitoring after the initial injury visit. Medical coders and billers in primary care, urgent care, and wound care settings assign it whenever documentation shows the abrasion is healing rather than […]
ICD-10 code O90.9: Complication of the puerperium
ICD-10 code O90.9: Definition and clinical description Puerperium complications account for a meaningful share of postpartum readmissions, and accurate coding starts with knowing exactly when each code applies. OB/GYN EMR software teams that handle postpartum billing will encounter ICD-10 code O90.9 when documentation identifies a complication but does not specify which one. ICD-10 code O90.9 […]
ICD-10 Code N72: Inflammatory disease of cervix uteri
ICD-10 Code N72: Definition and clinical description ICD-10 Code N72 is the FY2026 billable diagnosis code for inflammatory disease of the cervix uteri, covering cervicitis, endocervicitis, and exocervicitis with or without erosion or ectropion. It carries a mandatory “use additional code” instruction: pair N72 with a B95-B97 code when the infectious agent is identified, unless […]