ICD-10 code E06.5: Other chronic thyroiditis

ICD-10 Code E06.5: definition and clinical description ICD-10 Code E06.5 is a billable, specific ICD-10-CM code for other chronic thyroiditis: chronic thyroid inflammation that doesn’t fit the autoimmune, drug-induced, or transient categories elsewhere in the E06 hierarchy. CMS confirms it as fully billable for FY2026. Coders assign it when documentation describes Riedel’s, ligneous, or fibrous […]
ICD-10 code T87.53: Necrosis, Right Lower Extremity Stump

ICD-10 Code T87.53 is the billable ICD-10-CM code for necrosis of amputation stump, right lower extremity — tissue death at the site of a prior right lower extremity amputation. It sits in the T87 category for complications peculiar to reattachment and amputation, and it applies only when the documentation confirms necrotic, ischemic, or gangrenous tissue […]
ICD-10 code G53: Cranial nerve disorders in diseases classified elsewhere

ICD-10 code G53 is a billable diagnosis code for cranial nerve disorders that occur as a manifestation of an underlying systemic or infectious disease. Per CMS ICD-10-CM guidelines, manifestation codes like G53 must always be sequenced after the etiology code that caused them. This reference covers what G53 means clinically, how the Code first convention […]
ICD-10 code G26: Extrapyramidal and movement disorders guide

ICD-10 code G26 is a billable ICD-10-CM code for extrapyramidal and movement disorders that occur as a manifestation of an underlying disease classified elsewhere. It carries a mandatory “Code first” instruction: the ICD-10-CM Official Guidelines for Coding and Reporting require the underlying etiology to be sequenced ahead of G26 on every claim. Coders sometimes assign […]
ICD-10 code H11.9: Unspecified disorder of conjunctiva

ICD-10 code H11.9 designates an unspecified disorder of the conjunctiva, the thin membrane covering the white of the eye and lining the inside of the eyelids. It’s a billable, terminal-level code, used when a conjunctival finding is documented but doesn’t meet the criteria for a more specific H11 subcategory. This guide covers H11.9’s billability and […]
ICD-10 code H31.9: Unspecified disorder of choroid

ICD-10 code H31.9 identifies an unspecified disorder of the choroid, the vascular layer between the retina and the sclera. The code sits in category H31 (Other disorders of choroid), under the range H30-H36 (Disorders of choroid and retina), within Chapter H00-H59 (Diseases of the eye and adnexa). This guide covers H31.9’s billable status, its synonyms […]
ICD-10 code H18.9: Unspecified disorder of cornea

H18.9 is the billable ICD-10-CM code for unspecified disorder of cornea, used only when documentation lacks a specific H18.x diagnosis.
ICD-10 code H35.9: Unspecified retinal disorder coding guide

ICD-10 Code H35.9 identifies an unspecified retinal disorder. It sits within category H35 (Other retinal disorders), which itself falls under the range H30-H36 (Disorders of choroid and retina) inside Chapter H00-H59 (Diseases of the eye and adnexa). The code is valid and billable for the 2026 ICD-10-CM code year, confirmed by both the CDC/NCHS ICD-10-CM […]
ICD-10 code G89.0: Central pain syndrome

ICD-10 code G89.0 is billable for central pain syndrome (Dejerine-Roussy, thalamic, myelopathic pain), usually sequenced after the underlying diagnosis.
ICD-10 code H18.10: Bullous keratopathy, unspecified eye

ICD-10 code H18.10 is the billable code for bullous keratopathy, unspecified eye. Covers hierarchy, laterality rules, the H18.1x vs H59.01X pseudophakic distinction, ICD-9 crosswalk, and documentation requirements.