CodeMap® 
150 North Wacker Drive
Suite 2360
Chicago, IL 60606
847-381-5465 Phone
847-381-4606 Fax
customerservice@codemap.com
      


User Information

Create New Account

Lost Password

Username:
Password:


Quick Links

LCDs and LCAs
by Contractor

PLA Codes

Laboratory Fee Schedule

2025
2024
QW Tests

Physician Fee Schedule

2025
2024

OPPS Fee Schedule

2025-July
2025-April

ASC Fee Schedule

2025-July
2025-April

APC Codes

2025-July
2025-April

DRG Codes

2025
2024

ASP Drug Pricing Files

2025-July
2025-April


CMS Transmittals



.

ICD-10 Code or Description Search:

T78.3XXS Quick jump to specific ICD-10 (CM) Code: T78.40XD


See Category: Injury, poisoning and certain other consequences of external causes

ICD-10 (CM) Code and Descriptor

T78.40XA Allergy, unspecified, initial encounter

T7840XA 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
44.83% 18.89% 9.33% 8.51% 5.93% 3.81% 2.39% 1.76% 1.21% 0.89%

* Medicare Part A utilization data is derived from the 100% 2023 Outpatient (Fee-for-Service) Standard Analytical File.

Commonly Associated Procedure Codes for T78.40XA*:

CPT
Description Number of Claims Sum Performed
99283
EMERGENCY DEPT VISIT LOW MDM 8,300 8,303
96374
THER/PROPH/DIAG INJ IV PUSH 7,951 7,959
J1200
DIPHENHYDRAMINE HCL INJECTIO 7,214 7,653
96375
TX/PRO/DX INJ NEW DRUG ADDON 7,155 12,303
J2930
METHYLPREDNISOLONE INJECTION 6,861 7,007
99284
EMERGENCY DEPT VISIT MOD MDM 6,543 6,546
85025
COMPLETE CBC W/AUTO DIFF WBC 5,406 5,416
96372
THER/PROPH/DIAG INJ SC/IM 4,967 5,859
A9270
NON-COVERED ITEM OR SERVICE 4,124 19,993
36415
COLL VENOUS BLD VENIPUNCTURE 3,977 4,022
80053
COMPREHEN METABOLIC PANEL 3,976 3,979
93005
ELECTROCARDIOGRAM TRACING 3,328 3,425
J1100
DEXAMETHASONE SODIUM PHOS 2,858 24,828
G0463
HOSPITAL OUTPT CLINIC VISIT 2,711 2,713
99213
OFFICE O/P EST LOW 20 MIN 2,491 2,492
84484
ASSAY OF TROPONIN QUANT 2,294 2,501
99282
EMERGENCY DEPT VISIT SF MDM 2,250 2,253
J7512
PREDNISONE IR OR DR ORAL 1MG 2,177 97,787
71045
X-RAY EXAM CHEST 1 VIEW 1,990 1,994
80048
METABOLIC PANEL TOTAL CA 1,871 1,875

* Derived from 100% 2021 Outpatient (Fee-for-Service) Standard Analytical File.



T78.40XA related to the following DRG Codes:

915-916






CodeMap¨ is a Registered Trademark of Wheaton Partners, LLC.