Definition & Meaning. A Plural noun means more than one item. Examples of plural nouns are beds, boys, girls, books and cats. They are created by adding a letter 's' to the end of a word or by adding 'es' such as in churches, boxes or witches. If the noun ends with a ch, s, sh, x, or z add an 'es' to make it plural-examples: churches, boxes, witches, witnesses. 2  If the noun ends with a letter y and the letter before the y is a consonant. 3  change the letter y to a letter i then add es to make it a plural. 4  Examples: Sky to Skies & Army to Armies.
Making the world better, one answer at a time. Most commonly, NOS means not otherwise specified. In other words if you've been diagnosed as having anxiety order nos...it means that you don't have a specific anxiety disorder, just a more general one.Another example: If your knee hurts and you go to the ER, but they can't find the cause.I don't know if that's a real example without looking at the coding manual, but it gives a flavor for how the abbreviation is used.). Not Otherwise Specified. It is a way to say that a particular patient has signs and symptoms that just doesn't fit nicely into the criteria set in the DSM.
ICD-9-CM: NOS vs. NEC. Within ICD-9-CM, you may select codes defined as âNot Otherwise Specifiedâ (NOS) when there isnât enough documentation to select a more specific code. In other words, a deficiency in documentation prevents you from coding to a higher level of specificity.