ICD-10 code for erythema: L54 and related codes

The ICD-10 code for erythema depends on what’s causing the skin redness – there’s no single catch-all code. When erythema appears as a manifestation of a systemic disease documented elsewhere, the code is L54, erythema in diseases classified elsewhere. It’s a manifestation code, so you sequence it after the underlying condition, never on its own. […]
ICD-10 code B75: Trichinellosis diagnosis and billing guide

ICD-10 code B75: Definition and clinical description of Trichinellosis ICD-10 code B75 is the designated billable code for Trichinellosis, a parasitic infection caused by Trichinella species nematodes. According to the WHO’s ICD-10 browser, B75 sits within Chapter I (Certain Infectious and Parasitic Diseases) under the Helminthiases block (B65-B83), which covers roundworm, flatworm, and related parasitic […]
ICD-10 code C38.4: Malignant neoplasm of pleura

ICD-10 Code C38.4: definition and clinical overview ICD-10 Code C38.4 covers malignant neoplasm of the pleura, and it’s a billable, specific ICD-10-CM code valid for FY 2026. It applies to a primary pleural malignancy that is not mesothelioma; pleural mesothelioma has its own code (C45.0), and cancer that has spread to the pleura from […]
ICD-10 code C17.9: Malignant neoplasm of small intestine, unspecified

ICD-10 Code C17.9 is a billable code for a confirmed malignant neoplasm of the small intestine when the pathology report or clinical note does not indicate whether the tumor involves the duodenum, jejunum, or ileum. Coding and claim systems sometimes reference it as C17.9 ICD-10. When imaging, surgery, or pathology specify a segment, a site-specific […]
ICD-10 code C25.7: Malignant neoplasm of other parts of pancreas

ICD-10 Code C25.7: definition and clinical description ICD-10 Code C25.7 is the billable ICD-10-CM diagnosis code for malignant neoplasm of other parts of pancreas, including the neck of the pancreas. It is valid for HIPAA-covered transactions beginning October 1, 2024, per ICD List. The code sits within chapter C00-D49 (Neoplasms) of the ICD-10-CM tabular […]
ICD-10 code M02.9: Reactive arthropathy, unspecified

ICD-10 Code M02.9: Definition and clinical description ICD-10 code M02.9 stands for reactive arthropathy, unspecified — an inflammatory joint condition that develops as an immune-mediated response to an infection elsewhere in the body. You assign it when the provider has not documented the joint site or causative organism precisely enough to support a more granular […]
ICD-10 code M15.0: Primary generalized osteoarthritis

ICD-10 code M15.0 is the billable diagnosis code for primary generalized osteoarthritis: idiopathic, non-inflammatory degenerative joint disease affecting three or more joint groups. Payers accept the M15.0 diagnosis code when the documentation names the affected joints, confirms an idiopathic etiology, and rules out a secondary cause. This guide covers the definition, joint count threshold, documentation […]
ICD-10 code L86: Keratoderma in diseases classified elsewhere

ICD-10 code L86 is a billable ICD-10-CM code for keratoderma in diseases classified elsewhere – abnormal skin thickening that occurs as a manifestation of an underlying systemic disease. It is a manifestation code, so the underlying etiology must be sequenced first on every claim. Omitting it is the most common reason L86 claims are denied. […]
ICD-10 code H82.1: Vertiginous syndromes, right ear

ICD-10 code H82.1 covers vertiginous syndromes of the right ear in diseases classified elsewhere. It is a manifestation code, so the underlying systemic disease must be sequenced first—UnitedHealthcare and other payers reject H82.1 as a standalone or primary diagnosis.
ICD-10 code H49.9: Unspecified paralytic strabismus

ICD-10 code H49.9: Definition and clinical description ICD-10 code H49.9 is the billable code for unspecified paralytic strabismus — the diagnosis used when a paralytic strabismus has been identified but the specific cranial nerve responsible for the misalignment has not. When the nerve is known, the more specific H49.0 through H49.4 codes apply instead. H49.9 […]