| B | Beginners This meeting is focused on the needs of new members of NA. |
| BK | Book Study Approved N.A. 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. |
| CL | Candlelight This meeting is held by candlelight. |
| CS | Children under Supervision Well-behaved, supervised children are welcome. |
| D | Discussion This meeting invites participation by all attendees. |
| ES | Espanol This meeting is conducted in Spanish. |
| GL | Gay/Lesbian/Transgender This meeting is focused on the needs of gay, lesbian and transgender members of NA. |
| 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. |
| LC | Living Clean This is a discussion of the NA book Living Clean -The Journey Continues. |
| Lit | Literature Study This is a literature study meeting. |
| M | Men This meeting is meant to be attended by men only. |
| ME | Meditation This meeting encourages its participants to engage in quiet meditation. |
| 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. |
| RF | Rotating Format This meeting has a format that changes for each meeting. |
| S | Speaker 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. |
| So | Speaker Only This meeting is a speaker-only meeting. Other attendees do not participate in the discussion. |
| St | Step This meeting is focused on discussion of the Twelve Steps of NA. |
| 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. |
| 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. |