#Icd 10 guideliner extensions full#
However, that assumption is incorrect without a full understanding of the definitions of the A and D extensions, it may lead to improper coding (hence your confusion and question on the use of the proper extension).
S16.1XXS: strain of cervical spine, sequelaeĪt first glance, it may appear obvious and logical when you identify the coding in this format that the initial encounter is for the first visit and the subsequent encounter is for the second and "subsequent" visits.S16.1XXD: strain of cervical spine, subsequent encounter.S16.1XXA: strain of cervical spine, initial encounter.S13.4XXS: sprain of cervical spine, sequelae.S13.4XXD: sprain of cervical spine, subsequent encounter.S13.4XXA: sprain of cervical spine, initial encounter.Therefore, the specific codes are as follows: However, to be complete in ICD-10, the codes have to be seven characters in length, with the seventh character an A, D or S. The base code for cervical sprain is S13.4 and S16.1 for cervical strain. for the cervical spine, 847.0 is used in ICD-9 to indicate a strain and sprain, while ICD-10 has separate codes for each. A: The coding for strains and sprains is more specific in ICD-10, as there are separate codes for strains and sprains, whereas ICD-9 uses one code to designate strain or sprain.
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