ICD-10 code I81: Portal vein thrombosis diagnosis and coding guide
ICD-10 Code I81 is a billable ICD-10-CM diagnosis code for portal vein thrombosis (PVT), a blood clot in the portal vein, the vessel that carries blood from the gastrointestinal tract, spleen, and pancreas to the liver. It’s frequently confused with K75.1, which classifies a related but distinct condition, phlebitis of the portal vein, under the […]
ICD-10 Code C54.1: Malignant neoplasm of endometrium
ICD-10 Code C54.1 is the billable, site-specific diagnostic code for malignant neoplasm of the endometrium, the inner lining of the uterine corpus. Endometrial cancer is the most common gynecologic malignancy in the United States. Using the unspecified uterine code C55 when the chart documents endometrial involvement is one of the most frequently flagged errors in […]
ICD-10 Code C41.3: Malignant neoplasm of ribs, sternum and clavicle
Most bone malignancy coding errors happen before the claim ever reaches the payer. A coder selects C41.3 for a patient with metastatic lung cancer that has spread to the ribs, the claim denies, and the audit trail reveals the wrong primary designation. ICD-10 Code C41.3 is the correct code only when the ribs, sternum, or […]
ICD-10 Code C68.0: Malignant neoplasm of urethra
ICD-10 Code C68.0 is the billable ICD-10-CM diagnosis code for malignant neoplasm of the urethra, used once pathology and physician documentation confirm the urethra as the primary tumor site. Urethral malignancies account for less than 1% of all urologic cancers, but coders still encounter C68.0 regularly in oncology, urology, and general surgery settings. Misassigning the […]
ICD-10 Code M36.3: Arthropathy in other blood disorders
ICD-10 Code M36.3 is the billable, specific diagnosis code for arthropathy in other blood disorders. It’s valid for fiscal year 2026, from October 1, 2025 through September 30, 2026. The code sits in Chapter 13 of the CDC/NCHS ICD-10-CM code set, which covers diseases of the musculoskeletal system and connective tissue (M00-M99). Most denials tied […]
ICD-10 code I76: Septic arterial embolism
ICD-10 code I76: Definition, billable status, and FY2026 validity ICD-10 code I76 encodes septic arterial embolism, a serious vascular complication in which infected material travels through the bloodstream and occludes an artery. The condition sits within the I70-I79 block of the ICD-10-CM system maintained by CMS, covering diseases of arteries, arterioles, and capillaries. For coders […]
ICD-10 Code M60.9 for myositis, unspecified explained
ICD-10 Code M60.9 is the diagnosis code for Myositis, Unspecified. It sits within Chapter 13 of ICD-10-CM (Diseases of the Musculoskeletal System and Connective Tissue, codes M00-M99), under the M60 Myositis category. The “unspecified” designation means the clinical documentation does not identify the type of myositis (infective, interstitial, foreign body granuloma, or other specified form) […]
ICD-10 code V28.19XS: motorcycle passenger nontraffic sequela
Sequela coding is one of the most commonly misapplied areas in ICD-10-CM, and motorcycle accident codes are no exception. When a patient presents weeks or months after a motorcycle accident with a residual condition, choosing between V28.19XS, V28.19XD, and related codes determines whether the claim reflects the clinical encounter or gets flagged for review. EHR […]
ICD-10 M45.9: Ankylosing spondylitis, unspecified spine
ICD-10 Code M45.9 is a billable ICD-10-CM code for ankylosing spondylitis of unspecified sites in spine. It applies when the physician’s documentation confirms an AS diagnosis but doesn’t identify which spinal region is involved, and it sits alongside the site-specific codes M45.0 through M45.8. ICD-10 Code M45.9: Quick reference and billable status ICD-10 Code M45.9 […]
ICD-10 Code Z02.2: Admission to residential institution
ICD-10 Code Z02.2: definition and clinical overview ICD-10 Code Z02.2 is a billable ICD-10-CM code for an encounter where a clinician examines a patient specifically to satisfy a residential institution’s admission requirement – a nursing home, assisted living facility, or group home. The exam exists to meet the institution’s requirement, not to investigate a new […]