ICD-10 code L83: Acanthosis nigricans diagnosis and billing guide
ICD-10 code L83 is billable for acanthosis nigricans; document etiology, site, and sequencing to prevent claim denials.
ICD-10 Code L57.5: Actinic granuloma coding guide
ICD-10 Code L57.5 is a billable, specific code for actinic granuloma, a granulomatous skin reaction caused by chronic ultraviolet or other nonionizing radiation exposure. It must be paired with an external cause code (W89 or W90) identifying the radiation source. Submitting L57.5 without that external cause code is the most common reason these claims are […]
ICD-10 Code L42: Pityriasis rosea diagnosis and billing guide
ICD-10 code L42 is the billable diagnostic code for pityriasis rosea, a self-limiting papulosquamous skin disorder of unknown cause. It sits in the L40-L45 block of Chapter 12 and is a terminal code, so no additional digits are needed to bill it. This guide covers L42’s clinical description, recognized synonyms, related and differential codes, the […]
ICD-10 Code L01.1: Impetiginization of other dermatoses
ICD-10 Code L01.1 (Impetiginization of other dermatoses) is a billable, specific ICD-10-CM diagnosis code valid for the 2026 coding year. It sits within the L00-L08 block (Infections of the skin and subcutaneous tissue) and describes secondary bacterial infection that develops on top of a pre-existing, documented skin condition rather than presenting as primary impetigo in […]
ICD-10 Code C73: Malignant neoplasm of thyroid gland
Thyroid cancer claims around 44,000 new diagnoses in the United States each year, according to the CDC’s ICD-10-CM web tool and supporting surveillance data, making accurate diagnosis coding more than a billing formality. A single misassignment between C73 and related codes can trigger claim denials, documentation audits, or incorrect staging records that follow the patient […]
ICD-10 Code C54.2: Malignant neoplasm of myometrium
ICD-10 Code C54.2 is the billable diagnosis code for malignant neoplasm of the myometrium, the smooth-muscle wall of the uterus. It is most commonly assigned for uterine leiomyosarcoma confirmed by surgical pathology, and it applies only when documentation specifies myometrial involvement rather than the endometrium or an unspecified corpus uteri site. This reference covers the […]
ICD-10 Code D10.6: Benign neoplasm of nasopharynx
ICD-10 Code D10.6 is the billable ICD-10-CM diagnosis code for benign neoplasm of nasopharynx. It is valid for HIPAA-covered transactions for FY2026, covering the period October 1, 2025 through September 30, 2026. The code is maintained jointly by the Centers for Medicare and Medicaid Services (CMS) and the National Center for Health Statistics (NCHS) under […]
ICD-10 Code S82.242N: Displaced spiral tibial shaft fracture
ICD-10 Code S82.242N: Definition and clinical description Open tibial shaft fractures that fail to heal present one of the most complex coding scenarios in musculoskeletal billing. Most practices get the initial encounter right – it’s the subsequent encounter codes, particularly those involving nonunion and Gustilo type III open fractures, where documentation gaps and 7th character […]
ICD-10 Code G10: Huntington’s disease diagnosis and coding guide
ICD-10 Code G10: Definition and classification ICD-10 Code G10 is the single billable ICD-10-CM diagnosis code for Huntington’s disease. It covers all confirmed presentations of the condition, regardless of clinical stage or symptom profile. This guide covers the classification hierarchy, synonyms, related codes, documentation requirements, and common coding pitfalls for accurate diagnosis reporting in 2026. […]
ICD-10 Code G07: Intracranial and intraspinal abscess and granuloma
ICD-10 Code G07 covers intracranial and intraspinal abscess and granuloma when those conditions arise as a direct consequence of another disease classified elsewhere in ICD-10-CM. Because it is a manifestation code, the underlying etiology must be coded first; without it, the claim is incomplete by definition and most payers will reject it. This reference covers […]