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Current RMA Instruments:
|Reasonable Hypothesis SOP||118 of 2011|
|Balance of Probabilities SOP||119 of 2011|
Changes from Previous Instruments:
- ICD-9-CM Codes: 781.1
- ICD-10-AM Codes: R43.8
This SOP covers the permanent total loss of all smell sensation occurring from both nostrils. The SOP applies to loss of smell due to lesions of: the sensory epithelium in the top of the nasopharynx; the olfactory (1st cranial) nerves; and, the olfactory neural pathways in the brain.
Is specific diagnostic evidence required to apply the SOP? – Yes.
This diagnosis should be based on ENT surgical specialist opinion.
Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
- Complete, permanent loss of smell
Conditions excluded from SOP
- Partial loss of smell
- Temporary loss of smell
If, after applying the above information, you are unable to confirm the diagnosis, you should then:
- seek medical officer advice about further investigation, or;
- generate a diagnostic report, or;
- re-encode the condition, if appropriate.
The following may be useful in establishing the diagnosis:
- Report from ENT surgeon.