01.21 - Incision And Drainage Of Cranial Sinus

The ICD 9 Code for Incision and drainage of cranial sinus is listed as 01.21.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS and chapter information where available.

ICD 9 CM Volume 3 (PCS) Field	Value
Procedure Code:	01.21
Description:	Incision and drainage of cranial sinus
Short Description:	Cranial sinus i & d

Chapter:	Operations on the nervous system
Subsection 1:	Incision and excision of skull, brain, and cerebral meninges
ICD-10-PCS General Equivalence Mappings (GEMS):
ICD 10 PCS Code:	0N9000Z - Drainage of Skull with Drainage Device, Open Approach (approximate)
ICD 10 PCS Code:	0N900ZZ - Drainage of Skull, Open Approach (approximate)
ICD 10 PCS Code:	0N9030Z - Drainage of Skull with Drainage Device, Percutaneous Approach (approximate)
ICD 10 PCS Code:	0N903ZZ - Drainage of Skull, Percutaneous Approach (approximate)
ICD 10 PCS Code:	0N9040Z - Drainage of Skull with Drainage Device, Percutaneous Endoscopic Approach (approximate)
ICD 10 PCS Code:	0N904ZZ - Drainage of Skull, Percutaneous Endoscopic Approach (approximate)
ICD-9-CM Volume 3 (PCS) Siblings (same level / similar specificity) of 01.21:
01.20 - Cranial implantation or replacement of neurostimulator pulse generator
01.22 - Removal of intracranial neurostimulator lead(s)
01.23 - Reopening of craniotomy site
01.24 - Other craniotomy
01.25 - Other craniectomy
01.26 - Insertion of catheter(s) into cranial cavity or tissue
01.27 - Removal of catheter(s) from cranial cavity or tissue
01.28 - Placement of intracerebral catheter(s) via burr hole(s)
01.29 - Removal of cranial neurostimulator pulse generator