| AB | Ask It Basket | Topic comes from anonymous questions picked from a basket |
| ASM | Area Service Meeting | Service meetings, committee meetings, Hospitals & Institutions, etc |
| B | Beginners | This meeting is focused on the needs of new members of NA. |
| BK | Book Study | Approved NA Books |
| BL | Bi-Lingual | This Meeting can be attended by speakers of English and another language. |
| BT | Basic Text | This meeting is focused on discussion of the Basic Text of Narcotics Anonymous. |
| C | Closed | This meeting is closed to non-addicts. You should attend only if you believe that you may have a problem with substance abuse. |
| CC | Chairperson's Choice | Format and/or topic is chosen by the meeting leader |
| CL | Candlelight | This meeting is held by candlelight. |
| CN | Common Needs | Meeting that focus on common needs, Veterans, Chronic Pain, Professionals, etc. |
| CS | Children under Supervision | Well-behaved, supervised children are welcome. |
| D | Discussion | This meeting invites participation by all attendees. |
| ES | Espanol | This meeting can be attended by speakers of Spanish. |
| G | God Meeting | Focusing on discussion of our Higher Power |
| GM | Guided Meditation | Meeting format is for a guided meditation by meeting leader. |
| HY | Hybrid | Hybrid meeting, Group meets both physically and virtually. |
| IP | Informational Pamphlet | This meeting is focused on discussion of one or more Informational Pamphlets. |
| IW | It Works -How and Why | This meeting is focused on discussion of the It Works -How and Why text. |
| JT | Just for Today | This meeting is focused on discussion of the Just For Today text. |
| LGBT | Lesbian,Gay,Bisexual,Transgender | This meeting is focused on the needs of gay, lesbian, bisexual & transgender members of NA. |
| LT | Literature Study | Meeting focuses on the study and discussion of all Narcotics Anonymous approved literature |
| M | Men | This meeting is meant to be attended by men only. |
| NC | No Children | Please do not bring children to this meeting. |
| NS | No Smoking | Smoking is not allowed at this meeting. |
| O | Open | This meeting is open to addicts and non-addicts alike. All are welcome. |
| OE | Open-Ended | No fixed duration. The meeting continues until everyone present has had a chance to share. |
| OGP | Our Guiding Principles Study | Literature study using Our Guiding Principles book. |
| Pi | Pitch | This meeting has a format that consists of each person who shares picking the next person. |
| RF | Rotating Format | This meeting has a format that changes for each meeting. |
| Rr | Round Robin | This meeting has a fixed sharing order (usually a circle.) |
| S | Speaker | A member of the fellowship shares experience, strength & hope. |
| SC | Security Cameras | This meeting is held in a facility that has security cameras. |
| SD | Speaker/Discussion | This meeting is lead by a speaker, then opened for participation by attendees. |
| SG | Step Working Guide | This meeting is focused on discussion of the Step Working Guide text. |
| SL | ASL | This meeting provides an American Sign Language (ASL) interpreter for the deaf. |
| Sm | Smoking Permitted | Smoking (of tobacco) is permitted at this meeting. |
| St | Step | This meeting is focused on discussion of the Twelve Steps of NA. |
| TC | Temporarily Closed | Facility is Temporarily Closed |
| Ti | Timer | This meeting has sharing time limited by a timer. |
| To | Topic | This meeting is based upon a topic chosen by a speaker or by group conscience. |
| Tr | Tradition | This meeting is focused on discussion of the Twelve Traditions of NA. |
| TW | Traditions Workshop | This meeting engages in detailed discussion of one or more of the Twelve Traditions of N.A. |
| V | Vaping allowed | The use of electronic cigarettes are allowed |
| VM | Virtual Meeting-Online/Phone | Meets Virtually |
| W | Women | This meeting is meant to be attended by women only. |
| WC | Wheelchair | This meeting is wheelchair accessible. |
| YP | Young People | This meeting is focused on the needs of younger members of NA. |
