Valid for Submission
D09.20 is a billable diagnosis code used to specify a medical diagnosis of carcinoma in situ of unspecified eye. The code D09.20 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code D09.20 might also be used to specify conditions or terms like bowen's disease of cornea, carcinoma in situ of choroid, carcinoma in situ of ciliary body, carcinoma in situ of conjunctiva, carcinoma in situ of cornea , carcinoma in situ of eye, etc.
Unspecified diagnosis codes like D09.20 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Bowen's disease of cornea
- Carcinoma in situ of choroid
- Carcinoma in situ of ciliary body
- Carcinoma in situ of conjunctiva
- Carcinoma in situ of cornea
- Carcinoma in situ of eye
- Carcinoma in situ of lacrimal drainage system
- Carcinoma in situ of lacrimal gland
- Carcinoma in situ of lacrimal gland duct
- Carcinoma in situ of nasolacrimal duct
- Carcinoma in situ of ocular adnexa
- Carcinoma in situ of retina
- Carcinoma in situ of sclera
- Carcinoma in situ of surface epithelium
- Carcinoma in situ of uveal tract
- Neoplasm of nasolacrimal duct
- Neoplasm of sclera
Diagnostic Related Groups - MS-DRG Mapping
Convert D09.20 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code D09.20 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Cancer of the eye is uncommon. It can affect the outer parts of the eye, such as the eyelid, which are made up of muscles, skin and nerves. If the cancer starts inside the eyeball it's called intraocular cancer. The most common intraocular cancers in adults are melanoma and lymphoma. The most common eye cancer in children is retinoblastoma, which starts in the cells of the retina. Cancer can also spread to the eye from other parts of the body.
Treatment for eye cancer varies by the type and by how advanced it is. It may include surgery, radiation therapy, freezing or heat therapy, or laser therapy.
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