ICD-10 code T86.298: Other complications of heart transplant
ICD-10 code T86.298 is a billable diagnosis code for other complications of heart transplant not classified elsewhere in the T86.2x subcategory. It applies to documented post-transplant complications such as PTLD, calcineurin inhibitor nephrotoxicity, or de novo autoimmune conditions, and has been valid for claims since October 1, 2015. ICD-10 Code T86.298: Definition and clinical classification […]
Abdominal hernia ICD-10 code K46.9: unspecified, without obstruction or gangrene
Abdominal hernia ICD-10 code K46.9 is the valid, billable code for fiscal year 2026 that describes an unspecified abdominal hernia without obstruction or gangrene. It is also one of the most frequently flagged unspecified codes by payers reviewing medical necessity. This reference explains when to use the abdominal hernia ICD-10 code K46.9, its position in […]
ICD-10 code K00.1: Supernumerary teeth billing guide
K00.1 is the billable ICD-10 code for supernumerary teeth, covering mesiodens, distomolar, paramolar, and supplemental teeth.
ICD-10 code H31.8: Other specified disorders of choroid
ICD-10 Code H31.8 is the billable ICD-10-CM diagnosis code for other specified disorders of choroid – the residual code for named choroidal conditions such as choroidal folds, uveal effusion syndrome, and polypoidal choroidal vasculopathy that have no dedicated code of their own. Knowing when to use it, how to document it, and how it fits […]
ICD-10 code F66: Other sexual disorders
ICD-10 code F66 (Other sexual disorders) is a billable US ICD-10-CM diagnosis code for psychological or behavioral conditions involving sexual development, orientation, identity, or preferences that cause significant distress or impairment. It sits in the F60-F69 block and works as a residual category for psychosexual presentations that don’t meet the criteria for F52, F64, or […]
ICD-10 code A58: Granuloma inguinale (donovanosis) coding guide
ICD-10 code A58 is the billable diagnosis code for granuloma inguinale, also known as donovanosis. This guide covers the clinical definition, diagnostic criteria, coding guidelines, differential diagnosis distinctions, and documentation best practices for A58. Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes as mandated […]
ICD-10 code B09: Unspecified viral infection with skin lesions
ICD-10 code B09 is the billable diagnosis code for an unspecified viral infection characterized by skin and mucous membrane lesions. In everyday charting, it is the code for a viral rash or viral exanthem when the illness is clearly viral but the specific virus cannot be identified, and no more precise code in the B00-B08 […]
ICD-10 code A34: Obstetrical tetanus diagnosis and coding guide
Most tetanus claims are denied not because the diagnosis is wrong, but because the wrong code gets used. Coders who default to A35 (Other tetanus) on obstetric cases routinely trigger payer edits that delay or reject reimbursement entirely. OB-GYN practice management teams see this pattern more than any other infectious disease coding error. ICD-10 Code […]
ICD-10 code A35: Other Tetanus
ICD-10 Code A35 is the billable diagnosis code for Other Tetanus – every form of active tetanus that is neither neonatal (A33) nor obstetrical (A34). It covers most adult presentations. The key distinction: A35 codes confirmed disease, while a tetanus vaccination or booster is coded Z23, not A35. A35 sits within chapter A00-B99 (Certain Infectious […]
ICD-10 code A99: Unspecified viral hemorrhagic fever
ICD-10 Code A99 is the billable diagnosis code for unspecified viral hemorrhagic fever – the code you assign when a patient has viral hemorrhagic fever but the specific virus has not been identified. Using it correctly means knowing when a more specific code in the A90-A98 range applies instead, and when a general viral fever […]