ICD-10 code H02.9: Unspecified disorder of eyelid
Official description: Unspecified disorder of eyelid. H02.9 is a valid and billable ICD-10-CM diagnosis code for the 2026 fiscal year, confirmed by the CDC/NCHS ICD-10-CM web tool and the CMS tabular list. It can be used as a principal or secondary diagnosis code to indicate a diagnosis for reimbursement purposes. The code carries one official […]
ICD-10 code G59: Mononeuropathy in diseases classified elsewhere
ICD-10 Code G59 is a manifestation code for mononeuropathy arising from a disease classified elsewhere: a single peripheral nerve is affected by an underlying systemic condition such as vasculitis, arteriosclerotic disease, or a documented infection. The underlying disease is coded first, and G59 is added as the secondary code for the nerve involvement. This reference […]
ICD-10 code S88.929D: Partial traumatic amputation
ICD-10 code S88.929D: Definition and clinical description ICD-10 code S88.929D describes a partial traumatic amputation of the unspecified lower leg, level unspecified, subsequent encounter. It’s a fully billable ICD-10-CM code for fiscal year 2026 and sits within the S80-S89 injury block of the ICD-10-CM tabular list. This type of injury is often described in practice […]
ICD-10 code G90.1: Familial dysautonomia (Riley-Day syndrome)
ICD-10 Code G90.1 is the official ICD-10-CM designation for familial dysautonomia, also listed in the tabular with its eponymous name Riley-Day syndrome. The code is billable and specific, meaning it requires no further digit extension and is valid for HIPAA-covered transactions from October 1, 2025 through September 30, 2026 (FY2026), according to the CMS ICD-10-CM […]
ICD-10 code S82.871G: Displaced pilon fracture, delayed healing
ICD-10 code S82.871G is a billable diagnosis for a displaced pilon fracture of the right tibia at a subsequent encounter for a closed fracture with delayed healing. The 7th character “G” signals healing is slower than expected, distinguishing it from routine healing (D) and nonunion (K). Coding fracture aftercare correctly is where most orthopedic billing […]
ICD-10 code M45.2: Ankylosing spondylitis of cervical region
ICD-10 code M45.2: definition and clinical description ICD-10 code M45.2 is the billable diagnosis code for ankylosing spondylitis of the cervical region. It sits within the M45 family, the ankylosing spondylitis ICD-10 codes that classify the condition by the spinal region it affects. Where the non-billable parent code M45 names the disease in general, M45.2 […]
ICD-10 code H16.8: Other keratitis billing and coding guide
ICD-10 code H16.8 (Other keratitis) covers keratitis presentations that a clinician has specifically identified but that do not fit any of the more specific subcategories under H16. According to the Centers for Medicare and Medicaid Services (CMS), ICD-10-CM codes are required for all reimbursement claims with a date of service on or after October 1, […]
ICD-10 code F21: Schizotypal disorder billing and documentation guide
ICD-10 code F21 is the billable code for schizotypal disorder. Covers inclusion terms, documentation requirements, related codes, ICD-9 crosswalk, and billing guidance.
ICD-10 code F28: Other psychotic disorder billing guide
ICD-10 code F28 covers psychotic disorders that don’t fit a named diagnosis such as schizophrenia, schizoaffective disorder, or brief psychotic disorder, but are specific enough that the clinician has identified a distinct symptom pattern. It’s billable for FY 2026, though claims get denied when documentation doesn’t establish that specificity or when F28 is used interchangeably […]
Diaper dermatitis ICD-10 code (L22)
Diaper dermatitis ICD-10 code L22 is the billable ICD-10-CM diagnosis code for diaper rash: irritant contact dermatitis localized to the diaper area. It is valid for FY2026 and takes no additional digits. This guide covers L22’s billable status, the terms it includes, the related codes coders confuse it with, when to add B37.2 for Candida, […]