What does a diamond or herringbone pattern on the processed radiograph indicate?
underexposed film
overdeveloped film
expired film
reversed film
reversed film
Rationale: reversed film – When a film is reversed in the mouth, the lead shield, which has a herringbone pattern, is visible. The smooth, flat portion of the radiograph must face the outside of the mouth to prevent this herringbone effect from occurring.
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Refer to the ICD-10-CM Official Coding Guidelines I.C.21.c.5 which states: A ________ code may be a ________ code if the reason for the visit is specifically the screening exam.
A. first-listed, screening B. screening, second-listed C. screening, first-listed D. test, first-listed
A common test for malignant neoplasm of the lung is:
A. acid phosphatase. B. ultrasound. C. bone marrow biopsy. D. chest x-ray.