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46 Cataract connected with radiation and other physical influences 379. 32 Subluxation of the lens 379. 33 Anterior dislocation of lens 379. 34 Posterior dislocation of lens 379. 40 Unusual pupillary function, unspecified 379. 41 Anisocoria 379. 42 Miosis (persistent), not due to miotics 379. 43 Mydriasis (relentless), dot due to mydriatics 379.

46 Tonic pupillary response 379. 49 Other abnormalities of pupillary function 743. 36 Anomalies of lens shape spherophakia 743. 37 Genetic ectopic lens 743. 45 Aniridia 743. 46 Other specified abnormalities of the iris and ciliary body Medical diagnoses that Assistance Medical Necessity, As listed in the "ICD-9 Codes that Assistance Medical Requirement" section of this policy.

369 Manifestation Code

Medical diagnoses that DO NOT Support Medical Necessity, Conditions not listed in the "ICD-9 Codes that Support Medical Requirement" area.

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In specific cases, ICD-10-CM standards need more than one diagnosis code to report a condition. A Good Read of two medical diagnosis codes in is called "mandatory multiple coding," "dual category," "double coding," or "necessary dual coding." One specific example of such mandatory double coding is termed "etiology/manifestation conventions" and includes the reporting of both an illness (the 'cause' or underlying problem) and among its manifestations (the 'result' or another condition triggered by the issue).

When a diagnosis is under consideration as an etiology medical diagnosis, the HHA is expected to ensure that a legitimate manifestation code is sequenced instantly following the project of the etiology code. The symptom medical diagnosis is the pertinent condition triggered by the underlying disease and is never assigned as the patient's primary medical diagnosis.

The code title shows that it is a manifestation code. "In illness classified elsewhere" codes are never ever allowed to be utilized as or primary medical diagnosis codes. The code must be utilized in combination with an underlying condition - etiology - code. An excellent example Secondary sideroblastic anemia (D64. 2) can not be coded by itself.

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2 is a 'symptom' code and is always brought on by another underlying issue. One reason for D64. 2 is Osteonecrosis in diseases classified in other places, left arm (M90. 522). If you are using Secondary sideroblastic anemia (D64. 2) on your M1021/3 list, you must list it UNDER an etiology code M90.

2 on the list. Describe CMS Guidelines For supporting paperwork please describe CMS's guide to home health medical diagnosis coding go .