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See Category: Factors influencing health status and contact with health services
See Header: Encounter for other specified aftercare
ICD-10 (CM) Code and Descriptor
|
Z51.81 |
Encounter for therapeutic drug level monitoring
|
Z5181 utilizaton on OPPS claims.*
Primary
ICD10 Code |
ICD10
Position 2 |
ICD10
Position 3 |
ICD10
Position 4 |
ICD10
Position 5 |
ICD10
Position 6 |
ICD10
Position 7 |
ICD10
Position 8 |
ICD10
Position 9 |
ICD10
Position 10 |
| 43.22%
|
18.83%
|
14.05%
|
7.49%
|
4.77%
|
3.27%
|
2.26%
|
1.63%
|
1.14%
|
0.84%
|
* Medicare Part A utilization data is derived from the 100% 2023 Outpatient (Fee-for-Service) Standard Analytical File.
Commonly Associated Procedure Codes for Z51.81*:
| CPT |
Description |
Number of Claims |
Sum Performed |
|
85610
|
PROTHROMBIN TIME |
849,541
|
852,926
|
|
G0463
|
HOSPITAL OUTPT CLINIC VISIT |
548,106
|
551,263
|
|
36415
|
COLL VENOUS BLD VENIPUNCTURE |
282,421
|
283,050
|
|
36416
|
COLLJ CAPILLARY BLOOD SPEC |
148,686
|
148,831
|
|
85025
|
COMPLETE CBC W/AUTO DIFF WBC |
124,737
|
124,758
|
|
80053
|
COMPREHEN METABOLIC PANEL |
100,608
|
100,612
|
|
80048
|
METABOLIC PANEL TOTAL CA |
47,370
|
47,375
|
|
80061
|
LIPID PANEL |
46,106
|
46,109
|
|
84443
|
ASSAY THYROID STIM HORMONE |
37,014
|
37,042
|
|
83036
|
HEMOGLOBIN GLYCOSYLATED A1C |
31,834
|
31,834
|
|
83735
|
ASSAY OF MAGNESIUM |
30,225
|
30,235
|
|
85027
|
COMPLETE CBC AUTOMATED |
26,342
|
26,347
|
|
99211
|
OFF/OP EST MAY X REQ PHY/QHP |
22,137
|
22,155
|
|
82306
|
VITAMIN D 25 HYDROXY |
19,955
|
19,958
|
|
86140
|
C-REACTIVE PROTEIN |
19,182
|
19,183
|
|
80197
|
ASSAY OF TACROLIMUS |
18,204
|
18,220
|
|
82565
|
ASSAY OF CREATININE |
17,293
|
17,295
|
|
80076
|
HEPATIC FUNCTION PANEL |
17,085
|
17,085
|
|
81001
|
URINALYSIS AUTO W/SCOPE |
15,513
|
15,531
|
|
80307
|
DRUG TEST PRSMV CHEM ANLYZR |
14,562
|
14,593
|
* Derived from 100% 2021 Outpatient (Fee-for-Service) Standard Analytical File.
Z51.81 related to the following DRG Codes:
949-950
|
